400867740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24473}}^1$

素因数の和:24508

約数の個数: 144

約数和(自身を含む): 1496634048

約数和(自身を除く): 1095766308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 24473, 48946, 73419, 97892, 122365, 146838, 171311, 220257, 244730, 293676, 318149, 342622, 367095, 440514, 489460, 513933, 636298, 685244, 734190, 856555, 881028, 954447, 1027866, 1101285, 1272596, 1468380, 1541799, 1590745, 1713110, 1908894, 2055732, 2202570, 2227043, 2569665, 2863341, 3083598, 3181490, 3426220, 3817788, 4405140, 4454086, 4772235, 5139330, 5726682, 6167196, 6362980, 6681129, 7708995, 8908172, 9544470, 10278660, 11135215, 11453364, 13362258, 14316705, 15417990, 19088940, 20043387, 22270430, 26724516, 28633410, 30835980, 33405645, 40086774, 44540860, 57266820, 66811290, 80173548, 100216935, 133622580, 200433870, 400867740]

約数ペア:

[(1, 400867740), (2, 200433870), (3, 133622580), (4, 100216935), (5, 80173548), (6, 66811290), (7, 57266820), (9, 44540860), (10, 40086774), (12, 33405645), (13, 30835980), (14, 28633410), (15, 26724516), (18, 22270430), (20, 20043387), (21, 19088940), (26, 15417990), (28, 14316705), (30, 13362258), (35, 11453364), (36, 11135215), (39, 10278660), (42, 9544470), (45, 8908172), (52, 7708995), (60, 6681129), (63, 6362980), (65, 6167196), (70, 5726682), (78, 5139330), (84, 4772235), (90, 4454086), (91, 4405140), (105, 3817788), (117, 3426220), (126, 3181490), (130, 3083598), (140, 2863341), (156, 2569665), (180, 2227043), (182, 2202570), (195, 2055732), (210, 1908894), (234, 1713110), (252, 1590745), (260, 1541799), (273, 1468380), (315, 1272596), (364, 1101285), (390, 1027866), (420, 954447), (455, 881028), (468, 856555), (546, 734190), (585, 685244), (630, 636298), (780, 513933), (819, 489460), (910, 440514), (1092, 367095), (1170, 342622), (1260, 318149), (1365, 293676), (1638, 244730), (1820, 220257), (2340, 171311), (2730, 146838), (3276, 122365), (4095, 97892), (5460, 73419), (8190, 48946), (16380, 24473)]