2021223740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 4457980800

約数和(自身を除く): 2436757060

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 149, 164, 205, 233, 284, 298, 355, 410, 466, 596, 710, 745, 820, 932, 1165, 1420, 1490, 2330, 2911, 2980, 4660, 5822, 6109, 9553, 10579, 11644, 12218, 14555, 16543, 19106, 21158, 24436, 29110, 30545, 33086, 34717, 38212, 42316, 47765, 52895, 58220, 61090, 66172, 69434, 82715, 95530, 105790, 122180, 138868, 165430, 173585, 191060, 211580, 330860, 347170, 433739, 678263, 694340, 867478, 1356526, 1423397, 1734956, 2168695, 2464907, 2713052, 2846794, 3391315, 4337390, 4929814, 5693588, 6782630, 7116985, 8674780, 9859628, 12324535, 13565260, 14233970, 24649070, 28467940, 49298140, 101061187, 202122374, 404244748, 505305935, 1010611870, 2021223740]

約数ペア:

[(1, 2021223740), (2, 1010611870), (4, 505305935), (5, 404244748), (10, 202122374), (20, 101061187), (41, 49298140), (71, 28467940), (82, 24649070), (142, 14233970), (149, 13565260), (164, 12324535), (205, 9859628), (233, 8674780), (284, 7116985), (298, 6782630), (355, 5693588), (410, 4929814), (466, 4337390), (596, 3391315), (710, 2846794), (745, 2713052), (820, 2464907), (932, 2168695), (1165, 1734956), (1420, 1423397), (1490, 1356526), (2330, 867478), (2911, 694340), (2980, 678263), (4660, 433739), (5822, 347170), (6109, 330860), (9553, 211580), (10579, 191060), (11644, 173585), (12218, 165430), (14555, 138868), (16543, 122180), (19106, 105790), (21158, 95530), (24436, 82715), (29110, 69434), (30545, 66172), (33086, 61090), (34717, 58220), (38212, 52895), (42316, 47765)]