888972500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1663

約数の個数: 120

約数和(自身を含む): 2218071240

約数和(自身を除く): 1329098740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 170, 221, 250, 260, 325, 340, 425, 442, 500, 625, 650, 850, 884, 1105, 1250, 1300, 1609, 1625, 1700, 2125, 2210, 2500, 3218, 3250, 4250, 4420, 5525, 6436, 6500, 8045, 8125, 8500, 10625, 11050, 16090, 16250, 20917, 21250, 22100, 27353, 27625, 32180, 32500, 40225, 41834, 42500, 54706, 55250, 80450, 83668, 104585, 109412, 110500, 136765, 138125, 160900, 201125, 209170, 273530, 276250, 355589, 402250, 418340, 522925, 547060, 552500, 683825, 711178, 804500, 1005625, 1045850, 1367650, 1422356, 1777945, 2011250, 2091700, 2614625, 2735300, 3419125, 3555890, 4022500, 5229250, 6838250, 7111780, 8889725, 10458500, 13073125, 13676500, 17095625, 17779450, 26146250, 34191250, 35558900, 44448625, 52292500, 68382500, 88897250, 177794500, 222243125, 444486250, 888972500]

約数ペア:

[(1, 888972500), (2, 444486250), (4, 222243125), (5, 177794500), (10, 88897250), (13, 68382500), (17, 52292500), (20, 44448625), (25, 35558900), (26, 34191250), (34, 26146250), (50, 17779450), (52, 17095625), (65, 13676500), (68, 13073125), (85, 10458500), (100, 8889725), (125, 7111780), (130, 6838250), (170, 5229250), (221, 4022500), (250, 3555890), (260, 3419125), (325, 2735300), (340, 2614625), (425, 2091700), (442, 2011250), (500, 1777945), (625, 1422356), (650, 1367650), (850, 1045850), (884, 1005625), (1105, 804500), (1250, 711178), (1300, 683825), (1609, 552500), (1625, 547060), (1700, 522925), (2125, 418340), (2210, 402250), (2500, 355589), (3218, 276250), (3250, 273530), (4250, 209170), (4420, 201125), (5525, 160900), (6436, 138125), (6500, 136765), (8045, 110500), (8125, 109412), (8500, 104585), (10625, 83668), (11050, 80450), (16090, 55250), (16250, 54706), (20917, 42500), (21250, 41834), (22100, 40225), (27353, 32500), (27625, 32180)]