1555576900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12239}}^1$

素因数の和:12325

約数の個数: 72

約数和(自身を含む): 3569771520

約数和(自身を除く): 2014194620

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 41, 50, 62, 82, 100, 124, 155, 164, 205, 310, 410, 620, 775, 820, 1025, 1271, 1550, 2050, 2542, 3100, 4100, 5084, 6355, 12239, 12710, 24478, 25420, 31775, 48956, 61195, 63550, 122390, 127100, 244780, 305975, 379409, 501799, 611950, 758818, 1003598, 1223900, 1517636, 1897045, 2007196, 2508995, 3794090, 5017990, 7588180, 9485225, 10035980, 12544975, 15555769, 18970450, 25089950, 31111538, 37940900, 50179900, 62223076, 77778845, 155557690, 311115380, 388894225, 777788450, 1555576900]

約数ペア:

[(1, 1555576900), (2, 777788450), (4, 388894225), (5, 311115380), (10, 155557690), (20, 77778845), (25, 62223076), (31, 50179900), (41, 37940900), (50, 31111538), (62, 25089950), (82, 18970450), (100, 15555769), (124, 12544975), (155, 10035980), (164, 9485225), (205, 7588180), (310, 5017990), (410, 3794090), (620, 2508995), (775, 2007196), (820, 1897045), (1025, 1517636), (1271, 1223900), (1550, 1003598), (2050, 758818), (2542, 611950), (3100, 501799), (4100, 379409), (5084, 305975), (6355, 244780), (12239, 127100), (12710, 122390), (24478, 63550), (25420, 61195), (31775, 48956)]