403921960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{937}}^1$

素因数の和:1790

約数の個数: 64

約数和(自身を含む): 980960400

約数和(自身を除く): 577038440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 829, 937, 1658, 1874, 3316, 3748, 4145, 4685, 6632, 7496, 8290, 9370, 10777, 12181, 16580, 18740, 21554, 24362, 33160, 37480, 43108, 48724, 53885, 60905, 86216, 97448, 107770, 121810, 215540, 243620, 431080, 487240, 776773, 1553546, 3107092, 3883865, 6214184, 7767730, 10098049, 15535460, 20196098, 31070920, 40392196, 50490245, 80784392, 100980490, 201960980, 403921960]

約数ペア:

[(1, 403921960), (2, 201960980), (4, 100980490), (5, 80784392), (8, 50490245), (10, 40392196), (13, 31070920), (20, 20196098), (26, 15535460), (40, 10098049), (52, 7767730), (65, 6214184), (104, 3883865), (130, 3107092), (260, 1553546), (520, 776773), (829, 487240), (937, 431080), (1658, 243620), (1874, 215540), (3316, 121810), (3748, 107770), (4145, 97448), (4685, 86216), (6632, 60905), (7496, 53885), (8290, 48724), (9370, 43108), (10777, 37480), (12181, 33160), (16580, 24362), (18740, 21554)]