2656390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 3149690

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 41, 55, 62, 82, 95, 110, 155, 190, 205, 209, 310, 341, 410, 418, 451, 589, 682, 779, 902, 1045, 1178, 1271, 1558, 1705, 2090, 2255, 2542, 2945, 3410, 3895, 4510, 5890, 6355, 6479, 7790, 8569, 12710, 12958, 13981, 17138, 24149, 27962, 32395, 42845, 48298, 64790, 69905, 85690, 120745, 139810, 241490, 265639, 531278, 1328195, 2656390]

約数ペア:

[(1, 2656390), (2, 1328195), (5, 531278), (10, 265639), (11, 241490), (19, 139810), (22, 120745), (31, 85690), (38, 69905), (41, 64790), (55, 48298), (62, 42845), (82, 32395), (95, 27962), (110, 24149), (155, 17138), (190, 13981), (205, 12958), (209, 12710), (310, 8569), (341, 7790), (410, 6479), (418, 6355), (451, 5890), (589, 4510), (682, 3895), (779, 3410), (902, 2945), (1045, 2542), (1178, 2255), (1271, 2090), (1558, 1705)]