221945460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1662

約数の個数: 144

約数和(自身を含む): 719476800

約数和(自身を除く): 497531340

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 209, 220, 228, 242, 285, 330, 363, 380, 418, 484, 570, 605, 627, 660, 726, 836, 1045, 1140, 1210, 1254, 1452, 1609, 1815, 2090, 2299, 2420, 2508, 3135, 3218, 3630, 4180, 4598, 4827, 6270, 6436, 6897, 7260, 8045, 9196, 9654, 11495, 12540, 13794, 16090, 17699, 19308, 22990, 24135, 27588, 30571, 32180, 34485, 35398, 45980, 48270, 53097, 61142, 68970, 70796, 88495, 91713, 96540, 106194, 122284, 137940, 152855, 176990, 183426, 194689, 212388, 265485, 305710, 336281, 353980, 366852, 389378, 458565, 530970, 584067, 611420, 672562, 778756, 917130, 973445, 1008843, 1061940, 1168134, 1345124, 1681405, 1834260, 1946890, 2017686, 2336268, 2920335, 3362810, 3699091, 3893780, 4035372, 5044215, 5840670, 6725620, 7398182, 10088430, 11097273, 11681340, 14796364, 18495455, 20176860, 22194546, 36990910, 44389092, 55486365, 73981820, 110972730, 221945460]

約数ペア:

[(1, 221945460), (2, 110972730), (3, 73981820), (4, 55486365), (5, 44389092), (6, 36990910), (10, 22194546), (11, 20176860), (12, 18495455), (15, 14796364), (19, 11681340), (20, 11097273), (22, 10088430), (30, 7398182), (33, 6725620), (38, 5840670), (44, 5044215), (55, 4035372), (57, 3893780), (60, 3699091), (66, 3362810), (76, 2920335), (95, 2336268), (110, 2017686), (114, 1946890), (121, 1834260), (132, 1681405), (165, 1345124), (190, 1168134), (209, 1061940), (220, 1008843), (228, 973445), (242, 917130), (285, 778756), (330, 672562), (363, 611420), (380, 584067), (418, 530970), (484, 458565), (570, 389378), (605, 366852), (627, 353980), (660, 336281), (726, 305710), (836, 265485), (1045, 212388), (1140, 194689), (1210, 183426), (1254, 176990), (1452, 152855), (1609, 137940), (1815, 122284), (2090, 106194), (2299, 96540), (2420, 91713), (2508, 88495), (3135, 70796), (3218, 68970), (3630, 61142), (4180, 53097), (4598, 48270), (4827, 45980), (6270, 35398), (6436, 34485), (6897, 32180), (7260, 30571), (8045, 27588), (9196, 24135), (9654, 22990), (11495, 19308), (12540, 17699), (13794, 16090)]