39915890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 88123140

約数和(自身を除く): 48207250

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 53, 58, 70, 98, 106, 145, 203, 245, 265, 290, 371, 406, 490, 530, 742, 1015, 1421, 1537, 1855, 2030, 2597, 2809, 2842, 3074, 3710, 5194, 5618, 7105, 7685, 10759, 12985, 14045, 14210, 15370, 19663, 21518, 25970, 28090, 39326, 53795, 75313, 81461, 98315, 107590, 137641, 150626, 162922, 196630, 275282, 376565, 407305, 570227, 688205, 753130, 814610, 1140454, 1376410, 2851135, 3991589, 5702270, 7983178, 19957945, 39915890]

約数ペア:

[(1, 39915890), (2, 19957945), (5, 7983178), (7, 5702270), (10, 3991589), (14, 2851135), (29, 1376410), (35, 1140454), (49, 814610), (53, 753130), (58, 688205), (70, 570227), (98, 407305), (106, 376565), (145, 275282), (203, 196630), (245, 162922), (265, 150626), (290, 137641), (371, 107590), (406, 98315), (490, 81461), (530, 75313), (742, 53795), (1015, 39326), (1421, 28090), (1537, 25970), (1855, 21518), (2030, 19663), (2597, 15370), (2809, 14210), (2842, 14045), (3074, 12985), (3710, 10759), (5194, 7685), (5618, 7105)]