2720630990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{389}}^1$

素因数の和:738

約数の個数: 128

約数和(自身を含む): 6340239360

約数和(自身を除く): 3619608370

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 293, 310, 341, 385, 389, 434, 586, 682, 770, 778, 1085, 1465, 1705, 1945, 2051, 2170, 2387, 2723, 2930, 3223, 3410, 3890, 4102, 4279, 4774, 5446, 6446, 8558, 9083, 10255, 11935, 12059, 13615, 16115, 18166, 20510, 21395, 22561, 23870, 24118, 27230, 29953, 32230, 42790, 45122, 45415, 59906, 60295, 63581, 84413, 90830, 99913, 112805, 113977, 120590, 127162, 132649, 149765, 168826, 199826, 225610, 227954, 265298, 299530, 317905, 422065, 499565, 569885, 635810, 663245, 699391, 797839, 844130, 928543, 999130, 1139770, 1253747, 1326490, 1398782, 1595678, 1857086, 2507494, 3496955, 3533287, 3989195, 4642715, 6268735, 6993910, 7066574, 7978390, 8776229, 9285430, 12537470, 17552458, 17666435, 24733009, 35332870, 38866157, 43881145, 49466018, 77732314, 87762290, 123665045, 194330785, 247330090, 272063099, 388661570, 544126198, 1360315495, 2720630990]

約数ペア:

[(1, 2720630990), (2, 1360315495), (5, 544126198), (7, 388661570), (10, 272063099), (11, 247330090), (14, 194330785), (22, 123665045), (31, 87762290), (35, 77732314), (55, 49466018), (62, 43881145), (70, 38866157), (77, 35332870), (110, 24733009), (154, 17666435), (155, 17552458), (217, 12537470), (293, 9285430), (310, 8776229), (341, 7978390), (385, 7066574), (389, 6993910), (434, 6268735), (586, 4642715), (682, 3989195), (770, 3533287), (778, 3496955), (1085, 2507494), (1465, 1857086), (1705, 1595678), (1945, 1398782), (2051, 1326490), (2170, 1253747), (2387, 1139770), (2723, 999130), (2930, 928543), (3223, 844130), (3410, 797839), (3890, 699391), (4102, 663245), (4279, 635810), (4774, 569885), (5446, 499565), (6446, 422065), (8558, 317905), (9083, 299530), (10255, 265298), (11935, 227954), (12059, 225610), (13615, 199826), (16115, 168826), (18166, 149765), (20510, 132649), (21395, 127162), (22561, 120590), (23870, 113977), (24118, 112805), (27230, 99913), (29953, 90830), (32230, 84413), (42790, 63581), (45122, 60295), (45415, 59906)]