3318980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 8069376

約数和(自身を除く): 4750396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 157, 302, 314, 604, 628, 755, 785, 1057, 1099, 1510, 1570, 2114, 2198, 3020, 3140, 4228, 4396, 5285, 5495, 10570, 10990, 21140, 21980, 23707, 47414, 94828, 118535, 165949, 237070, 331898, 474140, 663796, 829745, 1659490, 3318980]

約数ペア:

[(1, 3318980), (2, 1659490), (4, 829745), (5, 663796), (7, 474140), (10, 331898), (14, 237070), (20, 165949), (28, 118535), (35, 94828), (70, 47414), (140, 23707), (151, 21980), (157, 21140), (302, 10990), (314, 10570), (604, 5495), (628, 5285), (755, 4396), (785, 4228), (1057, 3140), (1099, 3020), (1510, 2198), (1570, 2114)]