214804580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1741}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 468249600

約数和(自身を除く): 253445020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 620, 796, 995, 1741, 1990, 3482, 3980, 6169, 6964, 8705, 12338, 17410, 24676, 30845, 34820, 53971, 61690, 107942, 123380, 215884, 269855, 346459, 539710, 692918, 1079420, 1385836, 1732295, 3464590, 6929180, 10740229, 21480458, 42960916, 53701145, 107402290, 214804580]

約数ペア:

[(1, 214804580), (2, 107402290), (4, 53701145), (5, 42960916), (10, 21480458), (20, 10740229), (31, 6929180), (62, 3464590), (124, 1732295), (155, 1385836), (199, 1079420), (310, 692918), (398, 539710), (620, 346459), (796, 269855), (995, 215884), (1741, 123380), (1990, 107942), (3482, 61690), (3980, 53971), (6169, 34820), (6964, 30845), (8705, 24676), (12338, 17410)]