277498140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1381}}^1$

素因数の和:1607

約数の個数: 96

約数和(自身を含む): 827475264

約数和(自身を除く): 549977124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 197, 204, 255, 340, 394, 510, 591, 788, 985, 1020, 1182, 1381, 1970, 2364, 2762, 2955, 3349, 3940, 4143, 5524, 5910, 6698, 6905, 8286, 10047, 11820, 13396, 13810, 16572, 16745, 20094, 20715, 23477, 27620, 33490, 40188, 41430, 46954, 50235, 66980, 70431, 82860, 93908, 100470, 117385, 140862, 200940, 234770, 272057, 281724, 352155, 469540, 544114, 704310, 816171, 1088228, 1360285, 1408620, 1632342, 2720570, 3264684, 4080855, 4624969, 5441140, 8161710, 9249938, 13874907, 16323420, 18499876, 23124845, 27749814, 46249690, 55499628, 69374535, 92499380, 138749070, 277498140]

約数ペア:

[(1, 277498140), (2, 138749070), (3, 92499380), (4, 69374535), (5, 55499628), (6, 46249690), (10, 27749814), (12, 23124845), (15, 18499876), (17, 16323420), (20, 13874907), (30, 9249938), (34, 8161710), (51, 5441140), (60, 4624969), (68, 4080855), (85, 3264684), (102, 2720570), (170, 1632342), (197, 1408620), (204, 1360285), (255, 1088228), (340, 816171), (394, 704310), (510, 544114), (591, 469540), (788, 352155), (985, 281724), (1020, 272057), (1182, 234770), (1381, 200940), (1970, 140862), (2364, 117385), (2762, 100470), (2955, 93908), (3349, 82860), (3940, 70431), (4143, 66980), (5524, 50235), (5910, 46954), (6698, 41430), (6905, 40188), (8286, 33490), (10047, 27620), (11820, 23477), (13396, 20715), (13810, 20094), (16572, 16745)]