420011570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1\times {\mathrm{1109}}^1$

素因数の和:1451

約数の個数: 48

約数和(自身を含む): 834404760

約数和(自身を除く): 414393190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 313, 605, 626, 1109, 1210, 1565, 2218, 3130, 3443, 5545, 6886, 11090, 12199, 17215, 24398, 34430, 37873, 60995, 75746, 121990, 134189, 189365, 268378, 347117, 378730, 670945, 694234, 1341890, 1735585, 3471170, 3818287, 7636574, 19091435, 38182870, 42001157, 84002314, 210005785, 420011570]

約数ペア:

[(1, 420011570), (2, 210005785), (5, 84002314), (10, 42001157), (11, 38182870), (22, 19091435), (55, 7636574), (110, 3818287), (121, 3471170), (242, 1735585), (313, 1341890), (605, 694234), (626, 670945), (1109, 378730), (1210, 347117), (1565, 268378), (2218, 189365), (3130, 134189), (3443, 121990), (5545, 75746), (6886, 60995), (11090, 37873), (12199, 34430), (17215, 24398)]