554975625

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 1022972544

約数和(自身を除く): 467996919

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 255, 345, 375, 391, 425, 575, 625, 757, 1173, 1275, 1725, 1875, 1955, 2125, 2271, 2875, 3785, 5865, 6375, 8625, 9775, 10625, 11355, 12869, 14375, 17411, 18925, 29325, 31875, 38607, 43125, 48875, 52233, 56775, 64345, 87055, 94625, 146625, 193035, 244375, 261165, 283875, 295987, 321725, 435275, 473125, 733125, 887961, 965175, 1305825, 1419375, 1479935, 1608625, 2176375, 4439805, 4825875, 6529125, 7399675, 8043125, 10881875, 22199025, 24129375, 32645625, 36998375, 110995125, 184991875, 554975625]

約数ペア:

[(1, 554975625), (3, 184991875), (5, 110995125), (15, 36998375), (17, 32645625), (23, 24129375), (25, 22199025), (51, 10881875), (69, 8043125), (75, 7399675), (85, 6529125), (115, 4825875), (125, 4439805), (255, 2176375), (345, 1608625), (375, 1479935), (391, 1419375), (425, 1305825), (575, 965175), (625, 887961), (757, 733125), (1173, 473125), (1275, 435275), (1725, 321725), (1875, 295987), (1955, 283875), (2125, 261165), (2271, 244375), (2875, 193035), (3785, 146625), (5865, 94625), (6375, 87055), (8625, 64345), (9775, 56775), (10625, 52233), (11355, 48875), (12869, 43125), (14375, 38607), (17411, 31875), (18925, 29325)]