249892010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:935

約数の個数: 64

約数和(自身を含む): 503884800

約数和(自身を除く): 253992790

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 79, 85, 115, 158, 170, 230, 391, 395, 782, 790, 809, 1343, 1618, 1817, 1955, 2686, 3634, 3910, 4045, 6715, 8090, 9085, 13430, 13753, 18170, 18607, 27506, 30889, 37214, 61778, 63911, 68765, 93035, 127822, 137530, 154445, 186070, 308890, 316319, 319555, 632638, 639110, 1086487, 1469953, 1581595, 2172974, 2939906, 3163190, 5432435, 7349765, 10864870, 14699530, 24989201, 49978402, 124946005, 249892010]

約数ペア:

[(1, 249892010), (2, 124946005), (5, 49978402), (10, 24989201), (17, 14699530), (23, 10864870), (34, 7349765), (46, 5432435), (79, 3163190), (85, 2939906), (115, 2172974), (158, 1581595), (170, 1469953), (230, 1086487), (391, 639110), (395, 632638), (782, 319555), (790, 316319), (809, 308890), (1343, 186070), (1618, 154445), (1817, 137530), (1955, 127822), (2686, 93035), (3634, 68765), (3910, 63911), (4045, 61778), (6715, 37214), (8090, 30889), (9085, 27506), (13430, 18607), (13753, 18170)]