310091780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{1481}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 711448920

約数和(自身を除く): 401357140

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 361, 380, 551, 580, 722, 1102, 1444, 1481, 1805, 2204, 2755, 2962, 3610, 5510, 5924, 7220, 7405, 10469, 11020, 14810, 20938, 28139, 29620, 41876, 42949, 52345, 56278, 85898, 104690, 112556, 140695, 171796, 209380, 214745, 281390, 429490, 534641, 562780, 816031, 858980, 1069282, 1632062, 2138564, 2673205, 3264124, 4080155, 5346410, 8160310, 10692820, 15504589, 16320620, 31009178, 62018356, 77522945, 155045890, 310091780]

約数ペア:

[(1, 310091780), (2, 155045890), (4, 77522945), (5, 62018356), (10, 31009178), (19, 16320620), (20, 15504589), (29, 10692820), (38, 8160310), (58, 5346410), (76, 4080155), (95, 3264124), (116, 2673205), (145, 2138564), (190, 1632062), (290, 1069282), (361, 858980), (380, 816031), (551, 562780), (580, 534641), (722, 429490), (1102, 281390), (1444, 214745), (1481, 209380), (1805, 171796), (2204, 140695), (2755, 112556), (2962, 104690), (3610, 85898), (5510, 56278), (5924, 52345), (7220, 42949), (7405, 41876), (10469, 29620), (11020, 28139), (14810, 20938)]