2150500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 96

約数和(自身を含む): 5660928

約数和(自身を除く): 3510428

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 25, 34, 44, 46, 50, 55, 68, 85, 92, 100, 110, 115, 125, 170, 187, 220, 230, 250, 253, 275, 340, 374, 391, 425, 460, 500, 506, 550, 575, 748, 782, 850, 935, 1012, 1100, 1150, 1265, 1375, 1564, 1700, 1870, 1955, 2125, 2300, 2530, 2750, 2875, 3740, 3910, 4250, 4301, 4675, 5060, 5500, 5750, 6325, 7820, 8500, 8602, 9350, 9775, 11500, 12650, 17204, 18700, 19550, 21505, 23375, 25300, 31625, 39100, 43010, 46750, 48875, 63250, 86020, 93500, 97750, 107525, 126500, 195500, 215050, 430100, 537625, 1075250, 2150500]

約数ペア:

[(1, 2150500), (2, 1075250), (4, 537625), (5, 430100), (10, 215050), (11, 195500), (17, 126500), (20, 107525), (22, 97750), (23, 93500), (25, 86020), (34, 63250), (44, 48875), (46, 46750), (50, 43010), (55, 39100), (68, 31625), (85, 25300), (92, 23375), (100, 21505), (110, 19550), (115, 18700), (125, 17204), (170, 12650), (187, 11500), (220, 9775), (230, 9350), (250, 8602), (253, 8500), (275, 7820), (340, 6325), (374, 5750), (391, 5500), (425, 5060), (460, 4675), (500, 4301), (506, 4250), (550, 3910), (575, 3740), (748, 2875), (782, 2750), (850, 2530), (935, 2300), (1012, 2125), (1100, 1955), (1150, 1870), (1265, 1700), (1375, 1564)]