426390640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6949}}^1$

素因数の和:7034

約数の個数: 80

約数和(自身を含む): 1085868000

約数和(自身を除く): 659477360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1534, 2360, 3068, 3835, 4720, 6136, 6949, 7670, 12272, 13898, 15340, 27796, 30680, 34745, 55592, 61360, 69490, 90337, 111184, 138980, 180674, 277960, 361348, 409991, 451685, 555920, 722696, 819982, 903370, 1445392, 1639964, 1806740, 2049955, 3279928, 3613480, 4099910, 5329883, 6559856, 7226960, 8199820, 10659766, 16399640, 21319532, 26649415, 32799280, 42639064, 53298830, 85278128, 106597660, 213195320, 426390640]

約数ペア:

[(1, 426390640), (2, 213195320), (4, 106597660), (5, 85278128), (8, 53298830), (10, 42639064), (13, 32799280), (16, 26649415), (20, 21319532), (26, 16399640), (40, 10659766), (52, 8199820), (59, 7226960), (65, 6559856), (80, 5329883), (104, 4099910), (118, 3613480), (130, 3279928), (208, 2049955), (236, 1806740), (260, 1639964), (295, 1445392), (472, 903370), (520, 819982), (590, 722696), (767, 555920), (944, 451685), (1040, 409991), (1180, 361348), (1534, 277960), (2360, 180674), (3068, 138980), (3835, 111184), (4720, 90337), (6136, 69490), (6949, 61360), (7670, 55592), (12272, 34745), (13898, 30680), (15340, 27796)]