987223640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4021

約数の個数: 96

約数和(自身を含む): 2470895280

約数和(自身を除く): 1483671640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 169, 185, 260, 296, 338, 370, 481, 520, 676, 740, 845, 962, 1352, 1480, 1690, 1924, 2405, 3380, 3848, 3947, 4810, 6253, 6760, 7894, 9620, 12506, 15788, 19240, 19735, 25012, 31265, 31576, 39470, 50024, 51311, 62530, 78940, 102622, 125060, 146039, 157880, 205244, 250120, 256555, 292078, 410488, 513110, 584156, 667043, 730195, 1026220, 1168312, 1334086, 1460390, 1898507, 2052440, 2668172, 2920780, 3335215, 3797014, 5336344, 5841560, 6670430, 7594028, 9492535, 13340860, 15188056, 18985070, 24680591, 26681720, 37970140, 49361182, 75940280, 98722364, 123402955, 197444728, 246805910, 493611820, 987223640]

約数ペア:

[(1, 987223640), (2, 493611820), (4, 246805910), (5, 197444728), (8, 123402955), (10, 98722364), (13, 75940280), (20, 49361182), (26, 37970140), (37, 26681720), (40, 24680591), (52, 18985070), (65, 15188056), (74, 13340860), (104, 9492535), (130, 7594028), (148, 6670430), (169, 5841560), (185, 5336344), (260, 3797014), (296, 3335215), (338, 2920780), (370, 2668172), (481, 2052440), (520, 1898507), (676, 1460390), (740, 1334086), (845, 1168312), (962, 1026220), (1352, 730195), (1480, 667043), (1690, 584156), (1924, 513110), (2405, 410488), (3380, 292078), (3848, 256555), (3947, 250120), (4810, 205244), (6253, 157880), (6760, 146039), (7894, 125060), (9620, 102622), (12506, 78940), (15788, 62530), (19240, 51311), (19735, 50024), (25012, 39470), (31265, 31576)]