30939790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 68682240

約数和(自身を除く): 37742450

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 70, 86, 95, 133, 190, 215, 266, 301, 430, 541, 602, 665, 817, 1082, 1330, 1505, 1634, 2705, 3010, 3787, 4085, 5410, 5719, 7574, 8170, 10279, 11438, 18935, 20558, 23263, 28595, 37870, 46526, 51395, 57190, 71953, 102790, 116315, 143906, 162841, 232630, 325682, 359765, 441997, 719530, 814205, 883994, 1628410, 2209985, 3093979, 4419970, 6187958, 15469895, 30939790]

約数ペア:

[(1, 30939790), (2, 15469895), (5, 6187958), (7, 4419970), (10, 3093979), (14, 2209985), (19, 1628410), (35, 883994), (38, 814205), (43, 719530), (70, 441997), (86, 359765), (95, 325682), (133, 232630), (190, 162841), (215, 143906), (266, 116315), (301, 102790), (430, 71953), (541, 57190), (602, 51395), (665, 46526), (817, 37870), (1082, 28595), (1330, 23263), (1505, 20558), (1634, 18935), (2705, 11438), (3010, 10279), (3787, 8170), (4085, 7574), (5410, 5719)]