218263100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8627}}^1$

素因数の和:8675

約数の個数: 72

約数和(自身を含む): 539215488

約数和(自身を除く): 320952388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 5060, 6325, 8627, 12650, 17254, 25300, 34508, 43135, 86270, 94897, 172540, 189794, 198421, 215675, 379588, 396842, 431350, 474485, 793684, 862700, 948970, 992105, 1897940, 1984210, 2182631, 2372425, 3968420, 4365262, 4744850, 4960525, 8730524, 9489700, 9921050, 10913155, 19842100, 21826310, 43652620, 54565775, 109131550, 218263100]

約数ペア:

[(1, 218263100), (2, 109131550), (4, 54565775), (5, 43652620), (10, 21826310), (11, 19842100), (20, 10913155), (22, 9921050), (23, 9489700), (25, 8730524), (44, 4960525), (46, 4744850), (50, 4365262), (55, 3968420), (92, 2372425), (100, 2182631), (110, 1984210), (115, 1897940), (220, 992105), (230, 948970), (253, 862700), (275, 793684), (460, 474485), (506, 431350), (550, 396842), (575, 379588), (1012, 215675), (1100, 198421), (1150, 189794), (1265, 172540), (2300, 94897), (2530, 86270), (5060, 43135), (6325, 34508), (8627, 25300), (12650, 17254)]