490699430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1783}}^1$

素因数の和:1905

約数の個数: 64

約数和(自身を含む): 998040960

約数和(自身を除く): 507341530

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 130, 145, 146, 290, 365, 377, 730, 754, 949, 1783, 1885, 1898, 2117, 3566, 3770, 4234, 4745, 8915, 9490, 10585, 17830, 21170, 23179, 27521, 46358, 51707, 55042, 103414, 115895, 130159, 137605, 231790, 258535, 260318, 275210, 517070, 650795, 672191, 1301590, 1344382, 1692067, 3360955, 3384134, 3774611, 6721910, 7549222, 8460335, 16920670, 18873055, 37746110, 49069943, 98139886, 245349715, 490699430]

約数ペア:

[(1, 490699430), (2, 245349715), (5, 98139886), (10, 49069943), (13, 37746110), (26, 18873055), (29, 16920670), (58, 8460335), (65, 7549222), (73, 6721910), (130, 3774611), (145, 3384134), (146, 3360955), (290, 1692067), (365, 1344382), (377, 1301590), (730, 672191), (754, 650795), (949, 517070), (1783, 275210), (1885, 260318), (1898, 258535), (2117, 231790), (3566, 137605), (3770, 130159), (4234, 115895), (4745, 103414), (8915, 55042), (9490, 51707), (10585, 46358), (17830, 27521), (21170, 23179)]