154886540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1907}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 338494464

約数和(自身を除く): 183607924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 1907, 2620, 3814, 4061, 7628, 8122, 9535, 16244, 19070, 20305, 38140, 40610, 59117, 81220, 118234, 236468, 249817, 295585, 499634, 591170, 999268, 1182340, 1249085, 2498170, 4996340, 7744327, 15488654, 30977308, 38721635, 77443270, 154886540]

約数ペア:

[(1, 154886540), (2, 77443270), (4, 38721635), (5, 30977308), (10, 15488654), (20, 7744327), (31, 4996340), (62, 2498170), (124, 1249085), (131, 1182340), (155, 999268), (262, 591170), (310, 499634), (524, 295585), (620, 249817), (655, 236468), (1310, 118234), (1907, 81220), (2620, 59117), (3814, 40610), (4061, 38140), (7628, 20305), (8122, 19070), (9535, 16244)]