51400020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17483}}^1$

素因数の和:17509

約数の個数: 72

約数和(自身を含む): 167426784

約数和(自身を除く): 116026764

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 17483, 34966, 52449, 69932, 87415, 104898, 122381, 174830, 209796, 244762, 262245, 349660, 367143, 489524, 524490, 611905, 734286, 856667, 1048980, 1223810, 1468572, 1713334, 1835715, 2447620, 2570001, 3426668, 3671430, 4283335, 5140002, 7342860, 8566670, 10280004, 12850005, 17133340, 25700010, 51400020]

約数ペア:

[(1, 51400020), (2, 25700010), (3, 17133340), (4, 12850005), (5, 10280004), (6, 8566670), (7, 7342860), (10, 5140002), (12, 4283335), (14, 3671430), (15, 3426668), (20, 2570001), (21, 2447620), (28, 1835715), (30, 1713334), (35, 1468572), (42, 1223810), (49, 1048980), (60, 856667), (70, 734286), (84, 611905), (98, 524490), (105, 489524), (140, 367143), (147, 349660), (196, 262245), (210, 244762), (245, 209796), (294, 174830), (420, 122381), (490, 104898), (588, 87415), (735, 69932), (980, 52449), (1470, 34966), (2940, 17483)]