399699240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{195931}}^1$

素因数の和:195962

約数の個数: 64

約数和(自身を含む): 1269639360

約数和(自身を除く): 869940120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 195931, 391862, 587793, 783724, 979655, 1175586, 1567448, 1959310, 2351172, 2938965, 3330827, 3918620, 4702344, 5877930, 6661654, 7837240, 9992481, 11755860, 13323308, 16654135, 19984962, 23511720, 26646616, 33308270, 39969924, 49962405, 66616540, 79939848, 99924810, 133233080, 199849620, 399699240]

約数ペア:

[(1, 399699240), (2, 199849620), (3, 133233080), (4, 99924810), (5, 79939848), (6, 66616540), (8, 49962405), (10, 39969924), (12, 33308270), (15, 26646616), (17, 23511720), (20, 19984962), (24, 16654135), (30, 13323308), (34, 11755860), (40, 9992481), (51, 7837240), (60, 6661654), (68, 5877930), (85, 4702344), (102, 3918620), (120, 3330827), (136, 2938965), (170, 2351172), (204, 1959310), (255, 1567448), (340, 1175586), (408, 979655), (510, 783724), (680, 587793), (1020, 391862), (2040, 195931)]