410236820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{647}}^2$

素因数の和:1317

約数の個数: 54

約数和(自身を含む): 1003701258

約数和(自身を除く): 593464438

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 647, 980, 1294, 2588, 3235, 4529, 6470, 9058, 12940, 18116, 22645, 31703, 45290, 63406, 90580, 126812, 158515, 317030, 418609, 634060, 837218, 1674436, 2093045, 2930263, 4186090, 5860526, 8372180, 11721052, 14651315, 20511841, 29302630, 41023682, 58605260, 82047364, 102559205, 205118410, 410236820]

約数ペア:

[(1, 410236820), (2, 205118410), (4, 102559205), (5, 82047364), (7, 58605260), (10, 41023682), (14, 29302630), (20, 20511841), (28, 14651315), (35, 11721052), (49, 8372180), (70, 5860526), (98, 4186090), (140, 2930263), (196, 2093045), (245, 1674436), (490, 837218), (647, 634060), (980, 418609), (1294, 317030), (2588, 158515), (3235, 126812), (4529, 90580), (6470, 63406), (9058, 45290), (12940, 31703), (18116, 22645)]