9008090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 21047040

約数和(自身を除く): 12038950

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 521, 665, 910, 1042, 1235, 1330, 1729, 2470, 2605, 3458, 3647, 5210, 6773, 7294, 8645, 9899, 13546, 17290, 18235, 19798, 33865, 36470, 47411, 49495, 67730, 69293, 94822, 98990, 128687, 138586, 237055, 257374, 346465, 474110, 643435, 692930, 900809, 1286870, 1801618, 4504045, 9008090]

約数ペア:

[(1, 9008090), (2, 4504045), (5, 1801618), (7, 1286870), (10, 900809), (13, 692930), (14, 643435), (19, 474110), (26, 346465), (35, 257374), (38, 237055), (65, 138586), (70, 128687), (91, 98990), (95, 94822), (130, 69293), (133, 67730), (182, 49495), (190, 47411), (247, 36470), (266, 33865), (455, 19798), (494, 18235), (521, 17290), (665, 13546), (910, 9899), (1042, 8645), (1235, 7294), (1330, 6773), (1729, 5210), (2470, 3647), (2605, 3458)]