90417580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 221276160

約数和(自身を除く): 130858580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 97, 110, 190, 194, 209, 220, 223, 380, 388, 418, 446, 485, 836, 892, 970, 1045, 1067, 1115, 1843, 1940, 2090, 2134, 2230, 2453, 3686, 4180, 4237, 4268, 4460, 4906, 5335, 7372, 8474, 9215, 9812, 10670, 12265, 16948, 18430, 20273, 21185, 21340, 21631, 24530, 36860, 40546, 42370, 43262, 46607, 49060, 81092, 84740, 86524, 93214, 101365, 108155, 186428, 202730, 216310, 233035, 237941, 405460, 410989, 432620, 466070, 475882, 821978, 932140, 951764, 1189705, 1643956, 2054945, 2379410, 4109890, 4520879, 4758820, 8219780, 9041758, 18083516, 22604395, 45208790, 90417580]

約数ペア:

[(1, 90417580), (2, 45208790), (4, 22604395), (5, 18083516), (10, 9041758), (11, 8219780), (19, 4758820), (20, 4520879), (22, 4109890), (38, 2379410), (44, 2054945), (55, 1643956), (76, 1189705), (95, 951764), (97, 932140), (110, 821978), (190, 475882), (194, 466070), (209, 432620), (220, 410989), (223, 405460), (380, 237941), (388, 233035), (418, 216310), (446, 202730), (485, 186428), (836, 108155), (892, 101365), (970, 93214), (1045, 86524), (1067, 84740), (1115, 81092), (1843, 49060), (1940, 46607), (2090, 43262), (2134, 42370), (2230, 40546), (2453, 36860), (3686, 24530), (4180, 21631), (4237, 21340), (4268, 21185), (4460, 20273), (4906, 18430), (5335, 16948), (7372, 12265), (8474, 10670), (9215, 9812)]