30827860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 76416480

約数和(自身を除く): 45588620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 166, 196, 245, 332, 379, 415, 490, 581, 758, 830, 980, 1162, 1516, 1660, 1895, 2324, 2653, 2905, 3790, 4067, 5306, 5810, 7580, 8134, 10612, 11620, 13265, 16268, 18571, 20335, 26530, 31457, 37142, 40670, 53060, 62914, 74284, 81340, 92855, 125828, 157285, 185710, 220199, 314570, 371420, 440398, 629140, 880796, 1100995, 1541393, 2201990, 3082786, 4403980, 6165572, 7706965, 15413930, 30827860]

約数ペア:

[(1, 30827860), (2, 15413930), (4, 7706965), (5, 6165572), (7, 4403980), (10, 3082786), (14, 2201990), (20, 1541393), (28, 1100995), (35, 880796), (49, 629140), (70, 440398), (83, 371420), (98, 314570), (140, 220199), (166, 185710), (196, 157285), (245, 125828), (332, 92855), (379, 81340), (415, 74284), (490, 62914), (581, 53060), (758, 40670), (830, 37142), (980, 31457), (1162, 26530), (1516, 20335), (1660, 18571), (1895, 16268), (2324, 13265), (2653, 11620), (2905, 10612), (3790, 8134), (4067, 7580), (5306, 5810)]