397700940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{431}}^1$

素因数の和:489

約数の個数: 192

約数和(自身を含む): 1381847040

約数和(自身を除く): 984146100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 431, 455, 507, 546, 676, 780, 845, 862, 910, 1014, 1092, 1183, 1293, 1365, 1690, 1724, 1820, 2028, 2155, 2197, 2366, 2535, 2586, 2730, 3017, 3380, 3549, 4310, 4394, 4732, 5070, 5172, 5460, 5603, 5915, 6034, 6465, 6591, 7098, 8620, 8788, 9051, 10140, 10985, 11206, 11830, 12068, 12930, 13182, 14196, 15085, 15379, 16809, 17745, 18102, 21970, 22412, 23660, 25860, 26364, 28015, 30170, 30758, 32955, 33618, 35490, 36204, 39221, 43940, 45255, 46137, 56030, 60340, 61516, 65910, 67236, 70980, 72839, 76895, 78442, 84045, 90510, 92274, 112060, 117663, 131820, 145678, 153790, 156884, 168090, 181020, 184548, 196105, 218517, 230685, 235326, 291356, 307580, 336180, 364195, 392210, 437034, 461370, 470652, 509873, 588315, 728390, 784420, 874068, 922740, 946907, 1019746, 1092585, 1176630, 1456780, 1529619, 1893814, 2039492, 2185170, 2353260, 2549365, 2840721, 3059238, 3787628, 4370340, 4734535, 5098730, 5681442, 6118476, 6628349, 7648095, 9469070, 10197460, 11362884, 13256698, 14203605, 15296190, 18938140, 19885047, 26513396, 28407210, 30592380, 33141745, 39770094, 56814420, 66283490, 79540188, 99425235, 132566980, 198850470, 397700940]

約数ペア:

[(1, 397700940), (2, 198850470), (3, 132566980), (4, 99425235), (5, 79540188), (6, 66283490), (7, 56814420), (10, 39770094), (12, 33141745), (13, 30592380), (14, 28407210), (15, 26513396), (20, 19885047), (21, 18938140), (26, 15296190), (28, 14203605), (30, 13256698), (35, 11362884), (39, 10197460), (42, 9469070), (52, 7648095), (60, 6628349), (65, 6118476), (70, 5681442), (78, 5098730), (84, 4734535), (91, 4370340), (105, 3787628), (130, 3059238), (140, 2840721), (156, 2549365), (169, 2353260), (182, 2185170), (195, 2039492), (210, 1893814), (260, 1529619), (273, 1456780), (338, 1176630), (364, 1092585), (390, 1019746), (420, 946907), (431, 922740), (455, 874068), (507, 784420), (546, 728390), (676, 588315), (780, 509873), (845, 470652), (862, 461370), (910, 437034), (1014, 392210), (1092, 364195), (1183, 336180), (1293, 307580), (1365, 291356), (1690, 235326), (1724, 230685), (1820, 218517), (2028, 196105), (2155, 184548), (2197, 181020), (2366, 168090), (2535, 156884), (2586, 153790), (2730, 145678), (3017, 131820), (3380, 117663), (3549, 112060), (4310, 92274), (4394, 90510), (4732, 84045), (5070, 78442), (5172, 76895), (5460, 72839), (5603, 70980), (5915, 67236), (6034, 65910), (6465, 61516), (6591, 60340), (7098, 56030), (8620, 46137), (8788, 45255), (9051, 43940), (10140, 39221), (10985, 36204), (11206, 35490), (11830, 33618), (12068, 32955), (12930, 30758), (13182, 30170), (14196, 28015), (15085, 26364), (15379, 25860), (16809, 23660), (17745, 22412), (18102, 21970)]