30858740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 46362124

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 110, 148, 170, 185, 187, 220, 223, 340, 370, 374, 407, 446, 629, 740, 748, 814, 892, 935, 1115, 1258, 1628, 1870, 2035, 2230, 2453, 2516, 3145, 3740, 3791, 4070, 4460, 4906, 6290, 6919, 7582, 8140, 8251, 9812, 12265, 12580, 13838, 15164, 16502, 18955, 24530, 27676, 33004, 34595, 37910, 41255, 41701, 49060, 69190, 75820, 82510, 83402, 90761, 138380, 140267, 165020, 166804, 181522, 208505, 280534, 363044, 417010, 453805, 561068, 701335, 834020, 907610, 1402670, 1542937, 1815220, 2805340, 3085874, 6171748, 7714685, 15429370, 30858740]

約数ペア:

[(1, 30858740), (2, 15429370), (4, 7714685), (5, 6171748), (10, 3085874), (11, 2805340), (17, 1815220), (20, 1542937), (22, 1402670), (34, 907610), (37, 834020), (44, 701335), (55, 561068), (68, 453805), (74, 417010), (85, 363044), (110, 280534), (148, 208505), (170, 181522), (185, 166804), (187, 165020), (220, 140267), (223, 138380), (340, 90761), (370, 83402), (374, 82510), (407, 75820), (446, 69190), (629, 49060), (740, 41701), (748, 41255), (814, 37910), (892, 34595), (935, 33004), (1115, 27676), (1258, 24530), (1628, 18955), (1870, 16502), (2035, 15164), (2230, 13838), (2453, 12580), (2516, 12265), (3145, 9812), (3740, 8251), (3791, 8140), (4070, 7582), (4460, 6919), (4906, 6290)]