74400140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 159999840

約数和(自身を除く): 85599700

約数列:

[1, 2, 4, 5, 10, 20, 73, 131, 146, 262, 292, 365, 389, 524, 655, 730, 778, 1310, 1460, 1556, 1945, 2620, 3890, 7780, 9563, 19126, 28397, 38252, 47815, 50959, 56794, 95630, 101918, 113588, 141985, 191260, 203836, 254795, 283970, 509590, 567940, 1019180, 3720007, 7440014, 14880028, 18600035, 37200070, 74400140]

約数ペア:

[(1, 74400140), (2, 37200070), (4, 18600035), (5, 14880028), (10, 7440014), (20, 3720007), (73, 1019180), (131, 567940), (146, 509590), (262, 283970), (292, 254795), (365, 203836), (389, 191260), (524, 141985), (655, 113588), (730, 101918), (778, 95630), (1310, 56794), (1460, 50959), (1556, 47815), (1945, 38252), (2620, 28397), (3890, 19126), (7780, 9563)]