42940380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5419

約数の個数: 96

約数和(自身を含む): 144668160

約数和(自身を除く): 101727780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 5381, 7980, 10762, 16143, 21524, 26905, 32286, 37667, 53810, 64572, 75334, 80715, 102239, 107620, 113001, 150668, 161430, 188335, 204478, 226002, 306717, 322860, 376670, 408956, 452004, 511195, 565005, 613434, 715673, 753340, 1022390, 1130010, 1226868, 1431346, 1533585, 2044780, 2147019, 2260020, 2862692, 3067170, 3578365, 4294038, 6134340, 7156730, 8588076, 10735095, 14313460, 21470190, 42940380]

約数ペア:

[(1, 42940380), (2, 21470190), (3, 14313460), (4, 10735095), (5, 8588076), (6, 7156730), (7, 6134340), (10, 4294038), (12, 3578365), (14, 3067170), (15, 2862692), (19, 2260020), (20, 2147019), (21, 2044780), (28, 1533585), (30, 1431346), (35, 1226868), (38, 1130010), (42, 1022390), (57, 753340), (60, 715673), (70, 613434), (76, 565005), (84, 511195), (95, 452004), (105, 408956), (114, 376670), (133, 322860), (140, 306717), (190, 226002), (210, 204478), (228, 188335), (266, 161430), (285, 150668), (380, 113001), (399, 107620), (420, 102239), (532, 80715), (570, 75334), (665, 64572), (798, 53810), (1140, 37667), (1330, 32286), (1596, 26905), (1995, 21524), (2660, 16143), (3990, 10762), (5381, 7980)]