400834980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2760

約数の個数: 240

約数和(自身を含む): 1548180480

約数和(自身を除く): 1147345500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 390, 405, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 780, 810, 819, 910, 945, 1053, 1092, 1134, 1170, 1260, 1365, 1404, 1620, 1638, 1755, 1820, 1890, 2106, 2268, 2340, 2457, 2719, 2730, 2835, 3276, 3510, 3780, 4095, 4212, 4914, 5265, 5438, 5460, 5670, 7020, 7371, 8157, 8190, 9828, 10530, 10876, 11340, 12285, 13595, 14742, 16314, 16380, 19033, 21060, 24471, 24570, 27190, 29484, 32628, 35347, 36855, 38066, 40785, 48942, 49140, 54380, 57099, 70694, 73413, 73710, 76132, 81570, 95165, 97884, 106041, 114198, 122355, 141388, 146826, 147420, 163140, 171297, 176735, 190330, 212082, 220239, 228396, 244710, 247429, 285495, 293652, 318123, 342594, 353470, 367065, 380660, 424164, 440478, 489420, 494858, 513891, 530205, 570990, 636246, 685188, 706940, 734130, 742287, 856485, 880956, 954369, 989716, 1027782, 1060410, 1101195, 1141980, 1237145, 1272492, 1468260, 1484574, 1541673, 1590615, 1712970, 1908738, 2055564, 2120820, 2202390, 2226861, 2474290, 2569455, 2863107, 2969148, 3083346, 3181230, 3425940, 3711435, 3817476, 4404780, 4453722, 4771845, 4948580, 5138910, 5726214, 6166692, 6362460, 6680583, 7422870, 7708365, 8907444, 9543690, 10277820, 11134305, 11452428, 13361166, 14315535, 14845740, 15416730, 19087380, 20041749, 22268610, 26722332, 28631070, 30833460, 33402915, 40083498, 44537220, 57262140, 66805830, 80166996, 100208745, 133611660, 200417490, 400834980]

約数ペア:

[(1, 400834980), (2, 200417490), (3, 133611660), (4, 100208745), (5, 80166996), (6, 66805830), (7, 57262140), (9, 44537220), (10, 40083498), (12, 33402915), (13, 30833460), (14, 28631070), (15, 26722332), (18, 22268610), (20, 20041749), (21, 19087380), (26, 15416730), (27, 14845740), (28, 14315535), (30, 13361166), (35, 11452428), (36, 11134305), (39, 10277820), (42, 9543690), (45, 8907444), (52, 7708365), (54, 7422870), (60, 6680583), (63, 6362460), (65, 6166692), (70, 5726214), (78, 5138910), (81, 4948580), (84, 4771845), (90, 4453722), (91, 4404780), (105, 3817476), (108, 3711435), (117, 3425940), (126, 3181230), (130, 3083346), (135, 2969148), (140, 2863107), (156, 2569455), (162, 2474290), (180, 2226861), (182, 2202390), (189, 2120820), (195, 2055564), (210, 1908738), (234, 1712970), (252, 1590615), (260, 1541673), (270, 1484574), (273, 1468260), (315, 1272492), (324, 1237145), (351, 1141980), (364, 1101195), (378, 1060410), (390, 1027782), (405, 989716), (420, 954369), (455, 880956), (468, 856485), (540, 742287), (546, 734130), (567, 706940), (585, 685188), (630, 636246), (702, 570990), (756, 530205), (780, 513891), (810, 494858), (819, 489420), (910, 440478), (945, 424164), (1053, 380660), (1092, 367065), (1134, 353470), (1170, 342594), (1260, 318123), (1365, 293652), (1404, 285495), (1620, 247429), (1638, 244710), (1755, 228396), (1820, 220239), (1890, 212082), (2106, 190330), (2268, 176735), (2340, 171297), (2457, 163140), (2719, 147420), (2730, 146826), (2835, 141388), (3276, 122355), (3510, 114198), (3780, 106041), (4095, 97884), (4212, 95165), (4914, 81570), (5265, 76132), (5438, 73710), (5460, 73413), (5670, 70694), (7020, 57099), (7371, 54380), (8157, 49140), (8190, 48942), (9828, 40785), (10530, 38066), (10876, 36855), (11340, 35347), (12285, 32628), (13595, 29484), (14742, 27190), (16314, 24570), (16380, 24471), (19033, 21060)]