2480771860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{19843}}^1$

素因数の和:19925

約数の個数: 96

約数和(自身を含む): 6400880640

約数和(自身を除く): 3920108780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 94, 95, 133, 140, 188, 190, 235, 266, 329, 380, 470, 532, 658, 665, 893, 940, 1316, 1330, 1645, 1786, 2660, 3290, 3572, 4465, 6251, 6580, 8930, 12502, 17860, 19843, 25004, 31255, 39686, 62510, 79372, 99215, 125020, 138901, 198430, 277802, 377017, 396860, 555604, 694505, 754034, 932621, 1389010, 1508068, 1865242, 1885085, 2639119, 2778020, 3730484, 3770170, 4663105, 5278238, 6528347, 7540340, 9326210, 10556476, 13056694, 13195595, 17719799, 18652420, 26113388, 26391190, 32641735, 35439598, 52782380, 65283470, 70879196, 88598995, 124038593, 130566940, 177197990, 248077186, 354395980, 496154372, 620192965, 1240385930, 2480771860]

約数ペア:

[(1, 2480771860), (2, 1240385930), (4, 620192965), (5, 496154372), (7, 354395980), (10, 248077186), (14, 177197990), (19, 130566940), (20, 124038593), (28, 88598995), (35, 70879196), (38, 65283470), (47, 52782380), (70, 35439598), (76, 32641735), (94, 26391190), (95, 26113388), (133, 18652420), (140, 17719799), (188, 13195595), (190, 13056694), (235, 10556476), (266, 9326210), (329, 7540340), (380, 6528347), (470, 5278238), (532, 4663105), (658, 3770170), (665, 3730484), (893, 2778020), (940, 2639119), (1316, 1885085), (1330, 1865242), (1645, 1508068), (1786, 1389010), (2660, 932621), (3290, 754034), (3572, 694505), (4465, 555604), (6251, 396860), (6580, 377017), (8930, 277802), (12502, 198430), (17860, 138901), (19843, 125020), (25004, 99215), (31255, 79372), (39686, 62510)]