71438250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 203793408

約数和(自身を除く): 132355158

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 125, 130, 150, 170, 195, 221, 250, 255, 325, 375, 390, 425, 431, 442, 510, 650, 663, 750, 850, 862, 975, 1105, 1275, 1293, 1326, 1625, 1950, 2125, 2155, 2210, 2550, 2586, 3250, 3315, 4250, 4310, 4875, 5525, 5603, 6375, 6465, 6630, 7327, 9750, 10775, 11050, 11206, 12750, 12930, 14654, 16575, 16809, 21550, 21981, 27625, 28015, 32325, 33150, 33618, 36635, 43962, 53875, 55250, 56030, 64650, 73270, 82875, 84045, 95251, 107750, 109905, 140075, 161625, 165750, 168090, 183175, 190502, 219810, 280150, 285753, 323250, 366350, 420225, 476255, 549525, 571506, 700375, 840450, 915875, 952510, 1099050, 1400750, 1428765, 1831750, 2101125, 2381275, 2747625, 2857530, 4202250, 4762550, 5495250, 7143825, 11906375, 14287650, 23812750, 35719125, 71438250]

約数ペア:

[(1, 71438250), (2, 35719125), (3, 23812750), (5, 14287650), (6, 11906375), (10, 7143825), (13, 5495250), (15, 4762550), (17, 4202250), (25, 2857530), (26, 2747625), (30, 2381275), (34, 2101125), (39, 1831750), (50, 1428765), (51, 1400750), (65, 1099050), (75, 952510), (78, 915875), (85, 840450), (102, 700375), (125, 571506), (130, 549525), (150, 476255), (170, 420225), (195, 366350), (221, 323250), (250, 285753), (255, 280150), (325, 219810), (375, 190502), (390, 183175), (425, 168090), (431, 165750), (442, 161625), (510, 140075), (650, 109905), (663, 107750), (750, 95251), (850, 84045), (862, 82875), (975, 73270), (1105, 64650), (1275, 56030), (1293, 55250), (1326, 53875), (1625, 43962), (1950, 36635), (2125, 33618), (2155, 33150), (2210, 32325), (2550, 28015), (2586, 27625), (3250, 21981), (3315, 21550), (4250, 16809), (4310, 16575), (4875, 14654), (5525, 12930), (5603, 12750), (6375, 11206), (6465, 11050), (6630, 10775), (7327, 9750)]