17877020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 25366180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 857, 1043, 1490, 1714, 2086, 2980, 3428, 4172, 4285, 5215, 5999, 8570, 10430, 11998, 17140, 20860, 23996, 29995, 59990, 119980, 127693, 255386, 510772, 638465, 893851, 1276930, 1787702, 2553860, 3575404, 4469255, 8938510, 17877020]

約数ペア:

[(1, 17877020), (2, 8938510), (4, 4469255), (5, 3575404), (7, 2553860), (10, 1787702), (14, 1276930), (20, 893851), (28, 638465), (35, 510772), (70, 255386), (140, 127693), (149, 119980), (298, 59990), (596, 29995), (745, 23996), (857, 20860), (1043, 17140), (1490, 11998), (1714, 10430), (2086, 8570), (2980, 5999), (3428, 5215), (4172, 4285)]