396165640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 993202560

約数和(自身を除く): 597036920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 83, 104, 130, 134, 137, 166, 260, 268, 274, 332, 335, 415, 520, 536, 548, 664, 670, 685, 830, 871, 1079, 1096, 1340, 1370, 1660, 1742, 1781, 2158, 2680, 2740, 3320, 3484, 3562, 4316, 4355, 5395, 5480, 5561, 6968, 7124, 8632, 8710, 8905, 9179, 10790, 11122, 11371, 14248, 17420, 17810, 18358, 21580, 22244, 22742, 27805, 34840, 35620, 36716, 43160, 44488, 45484, 45895, 55610, 56855, 71240, 72293, 73432, 90968, 91790, 111220, 113710, 119327, 144586, 147823, 183580, 222440, 227420, 238654, 289172, 295646, 361465, 367160, 454840, 477308, 578344, 591292, 596635, 722930, 739115, 761857, 954616, 1182584, 1193270, 1445860, 1478230, 1523714, 2386540, 2891720, 2956460, 3047428, 3809285, 4773080, 5912920, 6094856, 7618570, 9904141, 15237140, 19808282, 30474280, 39616564, 49520705, 79233128, 99041410, 198082820, 396165640]

約数ペア:

[(1, 396165640), (2, 198082820), (4, 99041410), (5, 79233128), (8, 49520705), (10, 39616564), (13, 30474280), (20, 19808282), (26, 15237140), (40, 9904141), (52, 7618570), (65, 6094856), (67, 5912920), (83, 4773080), (104, 3809285), (130, 3047428), (134, 2956460), (137, 2891720), (166, 2386540), (260, 1523714), (268, 1478230), (274, 1445860), (332, 1193270), (335, 1182584), (415, 954616), (520, 761857), (536, 739115), (548, 722930), (664, 596635), (670, 591292), (685, 578344), (830, 477308), (871, 454840), (1079, 367160), (1096, 361465), (1340, 295646), (1370, 289172), (1660, 238654), (1742, 227420), (1781, 222440), (2158, 183580), (2680, 147823), (2740, 144586), (3320, 119327), (3484, 113710), (3562, 111220), (4316, 91790), (4355, 90968), (5395, 73432), (5480, 72293), (5561, 71240), (6968, 56855), (7124, 55610), (8632, 45895), (8710, 45484), (8905, 44488), (9179, 43160), (10790, 36716), (11122, 35620), (11371, 34840), (14248, 27805), (17420, 22742), (17810, 22244), (18358, 21580)]