147777420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{351851}}^1$

素因数の和:351870

約数の個数: 48

約数和(自身を含む): 472889088

約数和(自身を除く): 325111668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 351851, 703702, 1055553, 1407404, 1759255, 2111106, 2462957, 3518510, 4222212, 4925914, 5277765, 7037020, 7388871, 9851828, 10555530, 12314785, 14777742, 21111060, 24629570, 29555484, 36944355, 49259140, 73888710, 147777420]

約数ペア:

[(1, 147777420), (2, 73888710), (3, 49259140), (4, 36944355), (5, 29555484), (6, 24629570), (7, 21111060), (10, 14777742), (12, 12314785), (14, 10555530), (15, 9851828), (20, 7388871), (21, 7037020), (28, 5277765), (30, 4925914), (35, 4222212), (42, 3518510), (60, 2462957), (70, 2111106), (84, 1759255), (105, 1407404), (140, 1055553), (210, 703702), (420, 351851)]