519887140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{1783}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 1114928640

約数和(自身を除く): 595041500

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 239, 244, 305, 478, 610, 956, 1195, 1220, 1783, 2390, 3566, 4780, 7132, 8915, 14579, 17830, 29158, 35660, 58316, 72895, 108763, 145790, 217526, 291580, 426137, 435052, 543815, 852274, 1087630, 1704548, 2130685, 2175260, 4261370, 8522740, 25994357, 51988714, 103977428, 129971785, 259943570, 519887140]

約数ペア:

[(1, 519887140), (2, 259943570), (4, 129971785), (5, 103977428), (10, 51988714), (20, 25994357), (61, 8522740), (122, 4261370), (239, 2175260), (244, 2130685), (305, 1704548), (478, 1087630), (610, 852274), (956, 543815), (1195, 435052), (1220, 426137), (1783, 291580), (2390, 217526), (3566, 145790), (4780, 108763), (7132, 72895), (8915, 58316), (14579, 35660), (17830, 29158)]