254359688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1021}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 551880000

約数和(自身を除く): 297520312

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 149, 152, 209, 298, 418, 596, 836, 1021, 1192, 1639, 1672, 2042, 2831, 3278, 4084, 5662, 6556, 8168, 11231, 11324, 13112, 19399, 22462, 22648, 31141, 38798, 44924, 62282, 77596, 89848, 124564, 152129, 155192, 213389, 249128, 304258, 426778, 608516, 853556, 1217032, 1673419, 1707112, 2890451, 3346838, 5780902, 6693676, 11561804, 13387352, 23123608, 31794961, 63589922, 127179844, 254359688]

約数ペア:

[(1, 254359688), (2, 127179844), (4, 63589922), (8, 31794961), (11, 23123608), (19, 13387352), (22, 11561804), (38, 6693676), (44, 5780902), (76, 3346838), (88, 2890451), (149, 1707112), (152, 1673419), (209, 1217032), (298, 853556), (418, 608516), (596, 426778), (836, 304258), (1021, 249128), (1192, 213389), (1639, 155192), (1672, 152129), (2042, 124564), (2831, 89848), (3278, 77596), (4084, 62282), (5662, 44924), (6556, 38798), (8168, 31141), (11231, 22648), (11324, 22462), (13112, 19399)]