90027290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 177292800

約数和(自身を除く): 87265510

約数列:

[1, 2, 5, 10, 23, 37, 46, 71, 74, 115, 142, 149, 185, 230, 298, 355, 370, 710, 745, 851, 1490, 1633, 1702, 2627, 3266, 3427, 4255, 5254, 5513, 6854, 8165, 8510, 10579, 11026, 13135, 16330, 17135, 21158, 26270, 27565, 34270, 52895, 55130, 60421, 105790, 120842, 126799, 243317, 253598, 302105, 391423, 486634, 604210, 633995, 782846, 1216585, 1267990, 1957115, 2433170, 3914230, 9002729, 18005458, 45013645, 90027290]

約数ペア:

[(1, 90027290), (2, 45013645), (5, 18005458), (10, 9002729), (23, 3914230), (37, 2433170), (46, 1957115), (71, 1267990), (74, 1216585), (115, 782846), (142, 633995), (149, 604210), (185, 486634), (230, 391423), (298, 302105), (355, 253598), (370, 243317), (710, 126799), (745, 120842), (851, 105790), (1490, 60421), (1633, 55130), (1702, 52895), (2627, 34270), (3266, 27565), (3427, 26270), (4255, 21158), (5254, 17135), (5513, 16330), (6854, 13135), (8165, 11026), (8510, 10579)]