89862500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 244984320

約数和(自身を除く): 155121820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 79, 91, 100, 125, 130, 140, 158, 175, 182, 250, 260, 316, 325, 350, 364, 395, 455, 500, 553, 625, 650, 700, 790, 875, 910, 1027, 1106, 1250, 1300, 1580, 1625, 1750, 1820, 1975, 2054, 2212, 2275, 2500, 2765, 3125, 3250, 3500, 3950, 4108, 4375, 4550, 5135, 5530, 6250, 6500, 7189, 7900, 8125, 8750, 9100, 9875, 10270, 11060, 11375, 12500, 13825, 14378, 16250, 17500, 19750, 20540, 21875, 22750, 25675, 27650, 28756, 32500, 35945, 39500, 40625, 43750, 45500, 49375, 51350, 55300, 56875, 69125, 71890, 81250, 87500, 98750, 102700, 113750, 128375, 138250, 143780, 162500, 179725, 197500, 227500, 246875, 256750, 276500, 284375, 345625, 359450, 493750, 513500, 568750, 641875, 691250, 718900, 898625, 987500, 1137500, 1283750, 1382500, 1728125, 1797250, 2567500, 3209375, 3456250, 3594500, 4493125, 6418750, 6912500, 8986250, 12837500, 17972500, 22465625, 44931250, 89862500]

約数ペア:

[(1, 89862500), (2, 44931250), (4, 22465625), (5, 17972500), (7, 12837500), (10, 8986250), (13, 6912500), (14, 6418750), (20, 4493125), (25, 3594500), (26, 3456250), (28, 3209375), (35, 2567500), (50, 1797250), (52, 1728125), (65, 1382500), (70, 1283750), (79, 1137500), (91, 987500), (100, 898625), (125, 718900), (130, 691250), (140, 641875), (158, 568750), (175, 513500), (182, 493750), (250, 359450), (260, 345625), (316, 284375), (325, 276500), (350, 256750), (364, 246875), (395, 227500), (455, 197500), (500, 179725), (553, 162500), (625, 143780), (650, 138250), (700, 128375), (790, 113750), (875, 102700), (910, 98750), (1027, 87500), (1106, 81250), (1250, 71890), (1300, 69125), (1580, 56875), (1625, 55300), (1750, 51350), (1820, 49375), (1975, 45500), (2054, 43750), (2212, 40625), (2275, 39500), (2500, 35945), (2765, 32500), (3125, 28756), (3250, 27650), (3500, 25675), (3950, 22750), (4108, 21875), (4375, 20540), (4550, 19750), (5135, 17500), (5530, 16250), (6250, 14378), (6500, 13825), (7189, 12500), (7900, 11375), (8125, 11060), (8750, 10270), (9100, 9875)]