2011275970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 128

約数和(自身を含む): 4412620800

約数和(自身を除く): 2401344830

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 37, 38, 55, 62, 74, 95, 110, 155, 185, 190, 209, 310, 341, 370, 407, 418, 589, 682, 703, 814, 839, 1045, 1147, 1178, 1406, 1678, 1705, 2035, 2090, 2294, 2945, 3410, 3515, 4070, 4195, 5735, 5890, 6479, 7030, 7733, 8390, 9229, 11470, 12617, 12958, 15466, 15941, 18458, 21793, 25234, 26009, 31043, 31882, 32395, 38665, 43586, 46145, 52018, 62086, 63085, 64790, 77330, 79705, 92290, 108965, 126170, 130045, 155215, 159410, 175351, 217930, 239723, 260090, 286099, 310430, 341473, 350702, 479446, 494171, 572198, 589817, 682946, 876755, 962333, 988342, 1179634, 1198615, 1430495, 1707365, 1753510, 1924666, 2397230, 2470855, 2860990, 2949085, 3414730, 4811665, 4941710, 5435881, 5898170, 6487987, 9623330, 10585663, 10871762, 12975974, 18284327, 21171326, 27179405, 32439935, 36568654, 52928315, 54358810, 64879870, 91421635, 105856630, 182843270, 201127597, 402255194, 1005637985, 2011275970]

約数ペア:

[(1, 2011275970), (2, 1005637985), (5, 402255194), (10, 201127597), (11, 182843270), (19, 105856630), (22, 91421635), (31, 64879870), (37, 54358810), (38, 52928315), (55, 36568654), (62, 32439935), (74, 27179405), (95, 21171326), (110, 18284327), (155, 12975974), (185, 10871762), (190, 10585663), (209, 9623330), (310, 6487987), (341, 5898170), (370, 5435881), (407, 4941710), (418, 4811665), (589, 3414730), (682, 2949085), (703, 2860990), (814, 2470855), (839, 2397230), (1045, 1924666), (1147, 1753510), (1178, 1707365), (1406, 1430495), (1678, 1198615), (1705, 1179634), (2035, 988342), (2090, 962333), (2294, 876755), (2945, 682946), (3410, 589817), (3515, 572198), (4070, 494171), (4195, 479446), (5735, 350702), (5890, 341473), (6479, 310430), (7030, 286099), (7733, 260090), (8390, 239723), (9229, 217930), (11470, 175351), (12617, 159410), (12958, 155215), (15466, 130045), (15941, 126170), (18458, 108965), (21793, 92290), (25234, 79705), (26009, 77330), (31043, 64790), (31882, 63085), (32395, 62086), (38665, 52018), (43586, 46145)]