1877980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 4402944

約数和(自身を除く): 2524964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 233, 260, 310, 403, 466, 620, 806, 932, 1165, 1612, 2015, 2330, 3029, 4030, 4660, 6058, 7223, 8060, 12116, 14446, 15145, 28892, 30290, 36115, 60580, 72230, 93899, 144460, 187798, 375596, 469495, 938990, 1877980]

約数ペア:

[(1, 1877980), (2, 938990), (4, 469495), (5, 375596), (10, 187798), (13, 144460), (20, 93899), (26, 72230), (31, 60580), (52, 36115), (62, 30290), (65, 28892), (124, 15145), (130, 14446), (155, 12116), (233, 8060), (260, 7223), (310, 6058), (403, 4660), (466, 4030), (620, 3029), (806, 2330), (932, 2015), (1165, 1612)]