2017701620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{2389}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 4672689000

約数和(自身を除く): 2654987380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 349, 484, 605, 698, 1210, 1396, 1745, 2389, 2420, 3490, 3839, 4778, 6980, 7678, 9556, 11945, 15356, 19195, 23890, 26279, 38390, 42229, 47780, 52558, 76780, 84458, 105116, 131395, 168916, 211145, 262790, 289069, 422290, 525580, 578138, 833761, 844580, 1156276, 1445345, 1667522, 2890690, 3335044, 4168805, 5781380, 8337610, 9171371, 16675220, 18342742, 36685484, 45856855, 91713710, 100885081, 183427420, 201770162, 403540324, 504425405, 1008850810, 2017701620]

約数ペア:

[(1, 2017701620), (2, 1008850810), (4, 504425405), (5, 403540324), (10, 201770162), (11, 183427420), (20, 100885081), (22, 91713710), (44, 45856855), (55, 36685484), (110, 18342742), (121, 16675220), (220, 9171371), (242, 8337610), (349, 5781380), (484, 4168805), (605, 3335044), (698, 2890690), (1210, 1667522), (1396, 1445345), (1745, 1156276), (2389, 844580), (2420, 833761), (3490, 578138), (3839, 525580), (4778, 422290), (6980, 289069), (7678, 262790), (9556, 211145), (11945, 168916), (15356, 131395), (19195, 105116), (23890, 84458), (26279, 76780), (38390, 52558), (42229, 47780)]