2019920450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 4085095680

約数和(自身を除く): 2065175230

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 163, 170, 239, 305, 326, 425, 478, 610, 815, 850, 1037, 1195, 1525, 1630, 2074, 2390, 2771, 3050, 4063, 4075, 5185, 5542, 5975, 8126, 8150, 9943, 10370, 11950, 13855, 14579, 19886, 20315, 25925, 27710, 29158, 38957, 40630, 49715, 51850, 69275, 72895, 77914, 99430, 101575, 138550, 145790, 169031, 194785, 203150, 247843, 248575, 338062, 364475, 389570, 495686, 497150, 662269, 728950, 845155, 973925, 1239215, 1324538, 1690310, 1947850, 2376377, 2478430, 3311345, 4225775, 4752754, 6196075, 6622690, 8451550, 11881885, 12392150, 16556725, 23763770, 33113450, 40398409, 59409425, 80796818, 118818850, 201992045, 403984090, 1009960225, 2019920450]

約数ペア:

[(1, 2019920450), (2, 1009960225), (5, 403984090), (10, 201992045), (17, 118818850), (25, 80796818), (34, 59409425), (50, 40398409), (61, 33113450), (85, 23763770), (122, 16556725), (163, 12392150), (170, 11881885), (239, 8451550), (305, 6622690), (326, 6196075), (425, 4752754), (478, 4225775), (610, 3311345), (815, 2478430), (850, 2376377), (1037, 1947850), (1195, 1690310), (1525, 1324538), (1630, 1239215), (2074, 973925), (2390, 845155), (2771, 728950), (3050, 662269), (4063, 497150), (4075, 495686), (5185, 389570), (5542, 364475), (5975, 338062), (8126, 248575), (8150, 247843), (9943, 203150), (10370, 194785), (11950, 169031), (13855, 145790), (14579, 138550), (19886, 101575), (20315, 99430), (25925, 77914), (27710, 72895), (29158, 69275), (38957, 51850), (40630, 49715)]