8729500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 22014720

約数和(自身を除く): 13285220

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 79, 85, 100, 125, 130, 158, 170, 221, 250, 260, 316, 325, 340, 395, 425, 442, 500, 650, 790, 850, 884, 1027, 1105, 1300, 1343, 1580, 1625, 1700, 1975, 2054, 2125, 2210, 2686, 3250, 3950, 4108, 4250, 4420, 5135, 5372, 5525, 6500, 6715, 7900, 8500, 9875, 10270, 11050, 13430, 17459, 19750, 20540, 22100, 25675, 26860, 27625, 33575, 34918, 39500, 51350, 55250, 67150, 69836, 87295, 102700, 110500, 128375, 134300, 167875, 174590, 256750, 335750, 349180, 436475, 513500, 671500, 872950, 1745900, 2182375, 4364750, 8729500]

約数ペア:

[(1, 8729500), (2, 4364750), (4, 2182375), (5, 1745900), (10, 872950), (13, 671500), (17, 513500), (20, 436475), (25, 349180), (26, 335750), (34, 256750), (50, 174590), (52, 167875), (65, 134300), (68, 128375), (79, 110500), (85, 102700), (100, 87295), (125, 69836), (130, 67150), (158, 55250), (170, 51350), (221, 39500), (250, 34918), (260, 33575), (316, 27625), (325, 26860), (340, 25675), (395, 22100), (425, 20540), (442, 19750), (500, 17459), (650, 13430), (790, 11050), (850, 10270), (884, 9875), (1027, 8500), (1105, 7900), (1300, 6715), (1343, 6500), (1580, 5525), (1625, 5372), (1700, 5135), (1975, 4420), (2054, 4250), (2125, 4108), (2210, 3950), (2686, 3250)]