17771418420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42312901}}^1$

素因数の和:42312920

約数の個数: 48

約数和(自身を含む): 56868540288

約数和(自身を除く): 39097121868

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, 42312901, 84625802, 126938703, 169251604, 211564505, 253877406, 296190307, 423129010, 507754812, 592380614, 634693515, 846258020, 888570921, 1184761228, 1269387030, 1480951535, 1777141842, 2538774060, 2961903070, 3554283684, 4442854605, 5923806140, 8885709210, 17771418420]

約数ペア:

[(1, 17771418420), (2, 8885709210), (3, 5923806140), (4, 4442854605), (5, 3554283684), (6, 2961903070), (7, 2538774060), (10, 1777141842), (12, 1480951535), (14, 1269387030), (15, 1184761228), (20, 888570921), (21, 846258020), (28, 634693515), (30, 592380614), (35, 507754812), (42, 423129010), (60, 296190307), (70, 253877406), (84, 211564505), (105, 169251604), (140, 126938703), (210, 84625802), (420, 42312901)]