628821736340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1089397}}^1$

素因数の和:1089470

約数の個数: 144

約数和(自身を含む): 1669132039680

約数和(自身を除く): 1040310303340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 434, 490, 532, 589, 620, 665, 868, 931, 980, 1085, 1178, 1330, 1519, 1862, 2170, 2356, 2660, 2945, 3038, 3724, 4123, 4340, 4655, 5890, 6076, 7595, 8246, 9310, 11780, 15190, 16492, 18620, 20615, 28861, 30380, 41230, 57722, 82460, 115444, 144305, 288610, 577220, 1089397, 2178794, 4357588, 5446985, 7625779, 10893970, 15251558, 20698543, 21787940, 30503116, 33771307, 38128895, 41397086, 53380453, 67542614, 76257790, 82794172, 103492715, 106760906, 135085228, 144889801, 152515580, 168856535, 206985430, 213521812, 236399149, 266902265, 289779602, 337713070, 413970860, 472798298, 533804530, 579559204, 641654833, 675426140, 724449005, 945596596, 1014228607, 1067609060, 1181995745, 1283309666, 1448898010, 1654794043, 2028457214, 2363991490, 2566619332, 2897796020, 3208274165, 3309588086, 4056914428, 4491583831, 4727982980, 5071143035, 6416548330, 6619176172, 8273970215, 8983167662, 10142286070, 12833096660, 16547940430, 17966335324, 20284572140, 22457919155, 31441086817, 33095880860, 44915838310, 62882173634, 89831676620, 125764347268, 157205434085, 314410868170, 628821736340]

約数ペア:

[(1, 628821736340), (2, 314410868170), (4, 157205434085), (5, 125764347268), (7, 89831676620), (10, 62882173634), (14, 44915838310), (19, 33095880860), (20, 31441086817), (28, 22457919155), (31, 20284572140), (35, 17966335324), (38, 16547940430), (49, 12833096660), (62, 10142286070), (70, 8983167662), (76, 8273970215), (95, 6619176172), (98, 6416548330), (124, 5071143035), (133, 4727982980), (140, 4491583831), (155, 4056914428), (190, 3309588086), (196, 3208274165), (217, 2897796020), (245, 2566619332), (266, 2363991490), (310, 2028457214), (380, 1654794043), (434, 1448898010), (490, 1283309666), (532, 1181995745), (589, 1067609060), (620, 1014228607), (665, 945596596), (868, 724449005), (931, 675426140), (980, 641654833), (1085, 579559204), (1178, 533804530), (1330, 472798298), (1519, 413970860), (1862, 337713070), (2170, 289779602), (2356, 266902265), (2660, 236399149), (2945, 213521812), (3038, 206985430), (3724, 168856535), (4123, 152515580), (4340, 144889801), (4655, 135085228), (5890, 106760906), (6076, 103492715), (7595, 82794172), (8246, 76257790), (9310, 67542614), (11780, 53380453), (15190, 41397086), (16492, 38128895), (18620, 33771307), (20615, 30503116), (28861, 21787940), (30380, 20698543), (41230, 15251558), (57722, 10893970), (82460, 7625779), (115444, 5446985), (144305, 4357588), (288610, 2178794), (577220, 1089397)]