54982840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 90169160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 110, 116, 124, 139, 145, 155, 220, 232, 248, 278, 290, 310, 319, 341, 440, 556, 580, 620, 638, 682, 695, 899, 1112, 1160, 1240, 1276, 1364, 1390, 1529, 1595, 1705, 1798, 2552, 2728, 2780, 3058, 3190, 3410, 3596, 4031, 4309, 4495, 5560, 6116, 6380, 6820, 7192, 7645, 8062, 8618, 8990, 9889, 12232, 12760, 13640, 15290, 16124, 17236, 17980, 19778, 20155, 21545, 30580, 32248, 34472, 35960, 39556, 40310, 43090, 44341, 47399, 49445, 61160, 79112, 80620, 86180, 88682, 94798, 98890, 124961, 161240, 172360, 177364, 189596, 197780, 221705, 236995, 249922, 354728, 379192, 395560, 443410, 473990, 499844, 624805, 886820, 947980, 999688, 1249610, 1374571, 1773640, 1895960, 2499220, 2749142, 4998440, 5498284, 6872855, 10996568, 13745710, 27491420, 54982840]

約数ペア:

[(1, 54982840), (2, 27491420), (4, 13745710), (5, 10996568), (8, 6872855), (10, 5498284), (11, 4998440), (20, 2749142), (22, 2499220), (29, 1895960), (31, 1773640), (40, 1374571), (44, 1249610), (55, 999688), (58, 947980), (62, 886820), (88, 624805), (110, 499844), (116, 473990), (124, 443410), (139, 395560), (145, 379192), (155, 354728), (220, 249922), (232, 236995), (248, 221705), (278, 197780), (290, 189596), (310, 177364), (319, 172360), (341, 161240), (440, 124961), (556, 98890), (580, 94798), (620, 88682), (638, 86180), (682, 80620), (695, 79112), (899, 61160), (1112, 49445), (1160, 47399), (1240, 44341), (1276, 43090), (1364, 40310), (1390, 39556), (1529, 35960), (1595, 34472), (1705, 32248), (1798, 30580), (2552, 21545), (2728, 20155), (2780, 19778), (3058, 17980), (3190, 17236), (3410, 16124), (3596, 15290), (4031, 13640), (4309, 12760), (4495, 12232), (5560, 9889), (6116, 8990), (6380, 8618), (6820, 8062), (7192, 7645)]