77994460

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 168023520

約数和(自身を除く): 90029060

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 157, 236, 295, 314, 421, 590, 628, 785, 842, 1180, 1570, 1684, 2105, 3140, 4210, 8420, 9263, 18526, 24839, 37052, 46315, 49678, 66097, 92630, 99356, 124195, 132194, 185260, 248390, 264388, 330485, 496780, 660970, 1321940, 3899723, 7799446, 15598892, 19498615, 38997230, 77994460]

約数ペア:

[(1, 77994460), (2, 38997230), (4, 19498615), (5, 15598892), (10, 7799446), (20, 3899723), (59, 1321940), (118, 660970), (157, 496780), (236, 330485), (295, 264388), (314, 248390), (421, 185260), (590, 132194), (628, 124195), (785, 99356), (842, 92630), (1180, 66097), (1570, 49678), (1684, 46315), (2105, 37052), (3140, 24839), (4210, 18526), (8420, 9263)]