27721000730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{21347}}^1$

素因数の和:21515

約数の個数: 64

約数和(自身を含む): 53120655360

約数和(自身を除く): 25399654630

約数列:

[1, 2, 5, 10, 31, 59, 62, 71, 118, 142, 155, 295, 310, 355, 590, 710, 1829, 2201, 3658, 4189, 4402, 8378, 9145, 11005, 18290, 20945, 21347, 22010, 41890, 42694, 106735, 129859, 213470, 259718, 649295, 661757, 1259473, 1298590, 1323514, 1515637, 2518946, 3031274, 3308785, 6297365, 6617570, 7578185, 12594730, 15156370, 39043663, 46984747, 78087326, 89422583, 93969494, 178845166, 195218315, 234923735, 390436630, 447112915, 469847470, 894225830, 2772100073, 5544200146, 13860500365, 27721000730]

約数ペア:

[(1, 27721000730), (2, 13860500365), (5, 5544200146), (10, 2772100073), (31, 894225830), (59, 469847470), (62, 447112915), (71, 390436630), (118, 234923735), (142, 195218315), (155, 178845166), (295, 93969494), (310, 89422583), (355, 78087326), (590, 46984747), (710, 39043663), (1829, 15156370), (2201, 12594730), (3658, 7578185), (4189, 6617570), (4402, 6297365), (8378, 3308785), (9145, 3031274), (11005, 2518946), (18290, 1515637), (20945, 1323514), (21347, 1298590), (22010, 1259473), (41890, 661757), (42694, 649295), (106735, 259718), (129859, 213470)]