8085980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 20377728

約数和(自身を除く): 12291748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 223, 245, 259, 370, 446, 490, 518, 740, 892, 980, 1036, 1115, 1295, 1561, 1813, 2230, 2590, 3122, 3626, 4460, 5180, 6244, 7252, 7805, 8251, 9065, 10927, 15610, 16502, 18130, 21854, 31220, 33004, 36260, 41255, 43708, 54635, 57757, 82510, 109270, 115514, 165020, 218540, 231028, 288785, 404299, 577570, 808598, 1155140, 1617196, 2021495, 4042990, 8085980]

約数ペア:

[(1, 8085980), (2, 4042990), (4, 2021495), (5, 1617196), (7, 1155140), (10, 808598), (14, 577570), (20, 404299), (28, 288785), (35, 231028), (37, 218540), (49, 165020), (70, 115514), (74, 109270), (98, 82510), (140, 57757), (148, 54635), (185, 43708), (196, 41255), (223, 36260), (245, 33004), (259, 31220), (370, 21854), (446, 18130), (490, 16502), (518, 15610), (740, 10927), (892, 9065), (980, 8251), (1036, 7805), (1115, 7252), (1295, 6244), (1561, 5180), (1813, 4460), (2230, 3626), (2590, 3122)]