317715020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{324199}}^1$

素因数の和:324222

約数の個数: 36

約数和(自身を含む): 776134800

約数和(自身を除く): 458419780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 324199, 648398, 1296796, 1620995, 2269393, 3241990, 4538786, 6483980, 9077572, 11346965, 15885751, 22693930, 31771502, 45387860, 63543004, 79428755, 158857510, 317715020]

約数ペア:

[(1, 317715020), (2, 158857510), (4, 79428755), (5, 63543004), (7, 45387860), (10, 31771502), (14, 22693930), (20, 15885751), (28, 11346965), (35, 9077572), (49, 6483980), (70, 4538786), (98, 3241990), (140, 2269393), (196, 1620995), (245, 1296796), (490, 648398), (980, 324199)]