101771980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2503}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 227162880

約数和(自身を除く): 125390900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 1070, 2033, 2140, 2503, 4066, 5006, 8132, 10012, 10165, 12515, 20330, 25030, 40660, 47557, 50060, 95114, 190228, 237785, 267821, 475570, 535642, 951140, 1071284, 1339105, 2678210, 5088599, 5356420, 10177198, 20354396, 25442995, 50885990, 101771980]

約数ペア:

[(1, 101771980), (2, 50885990), (4, 25442995), (5, 20354396), (10, 10177198), (19, 5356420), (20, 5088599), (38, 2678210), (76, 1339105), (95, 1071284), (107, 951140), (190, 535642), (214, 475570), (380, 267821), (428, 237785), (535, 190228), (1070, 95114), (2033, 50060), (2140, 47557), (2503, 40660), (4066, 25030), (5006, 20330), (8132, 12515), (10012, 10165)]