2785970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 6082560

約数和(自身を除く): 3296590

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 43, 55, 62, 86, 95, 110, 155, 190, 209, 215, 310, 341, 418, 430, 473, 589, 682, 817, 946, 1045, 1178, 1333, 1634, 1705, 2090, 2365, 2666, 2945, 3410, 4085, 4730, 5890, 6479, 6665, 8170, 8987, 12958, 13330, 14663, 17974, 25327, 29326, 32395, 44935, 50654, 64790, 73315, 89870, 126635, 146630, 253270, 278597, 557194, 1392985, 2785970]

約数ペア:

[(1, 2785970), (2, 1392985), (5, 557194), (10, 278597), (11, 253270), (19, 146630), (22, 126635), (31, 89870), (38, 73315), (43, 64790), (55, 50654), (62, 44935), (86, 32395), (95, 29326), (110, 25327), (155, 17974), (190, 14663), (209, 13330), (215, 12958), (310, 8987), (341, 8170), (418, 6665), (430, 6479), (473, 5890), (589, 4730), (682, 4085), (817, 3410), (946, 2945), (1045, 2666), (1178, 2365), (1333, 2090), (1634, 1705)]