31790990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 46591090

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 41, 53, 55, 70, 77, 82, 95, 106, 110, 133, 154, 190, 205, 209, 265, 266, 287, 371, 385, 410, 418, 451, 530, 574, 583, 665, 742, 770, 779, 902, 1007, 1045, 1166, 1330, 1435, 1463, 1558, 1855, 2014, 2090, 2173, 2255, 2870, 2915, 2926, 3157, 3710, 3895, 4081, 4346, 4510, 5035, 5453, 5830, 6314, 7049, 7315, 7790, 8162, 8569, 10070, 10865, 10906, 11077, 14098, 14630, 15211, 15785, 17138, 20405, 21730, 22154, 23903, 27265, 30422, 31570, 35245, 40810, 41287, 42845, 47806, 54530, 55385, 59983, 70490, 76055, 77539, 82574, 85690, 110770, 119515, 119966, 152110, 155078, 167321, 206435, 239030, 289009, 299915, 334642, 387695, 412870, 454157, 578018, 599830, 775390, 836605, 908314, 1445045, 1673210, 2270785, 2890090, 3179099, 4541570, 6358198, 15895495, 31790990]

約数ペア:

[(1, 31790990), (2, 15895495), (5, 6358198), (7, 4541570), (10, 3179099), (11, 2890090), (14, 2270785), (19, 1673210), (22, 1445045), (35, 908314), (38, 836605), (41, 775390), (53, 599830), (55, 578018), (70, 454157), (77, 412870), (82, 387695), (95, 334642), (106, 299915), (110, 289009), (133, 239030), (154, 206435), (190, 167321), (205, 155078), (209, 152110), (265, 119966), (266, 119515), (287, 110770), (371, 85690), (385, 82574), (410, 77539), (418, 76055), (451, 70490), (530, 59983), (574, 55385), (583, 54530), (665, 47806), (742, 42845), (770, 41287), (779, 40810), (902, 35245), (1007, 31570), (1045, 30422), (1166, 27265), (1330, 23903), (1435, 22154), (1463, 21730), (1558, 20405), (1855, 17138), (2014, 15785), (2090, 15211), (2173, 14630), (2255, 14098), (2870, 11077), (2915, 10906), (2926, 10865), (3157, 10070), (3710, 8569), (3895, 8162), (4081, 7790), (4346, 7315), (4510, 7049), (5035, 6314), (5453, 5830)]