158874580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2663}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 353566080

約数和(自身を除く): 194691500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2663, 2983, 3140, 5326, 5966, 10652, 11932, 13315, 14915, 26630, 29830, 50597, 53260, 59660, 101194, 202388, 252985, 418091, 505970, 836182, 1011940, 1672364, 2090455, 4180910, 7943729, 8361820, 15887458, 31774916, 39718645, 79437290, 158874580]

約数ペア:

[(1, 158874580), (2, 79437290), (4, 39718645), (5, 31774916), (10, 15887458), (19, 8361820), (20, 7943729), (38, 4180910), (76, 2090455), (95, 1672364), (157, 1011940), (190, 836182), (314, 505970), (380, 418091), (628, 252985), (785, 202388), (1570, 101194), (2663, 59660), (2983, 53260), (3140, 50597), (5326, 29830), (5966, 26630), (10652, 14915), (11932, 13315)]