30411020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 37326580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 419, 764, 838, 955, 1676, 1910, 2095, 3629, 3820, 4190, 7258, 7961, 8380, 14516, 15922, 18145, 31844, 36290, 39805, 72580, 79610, 80029, 159220, 160058, 320116, 400145, 800290, 1520551, 1600580, 3041102, 6082204, 7602755, 15205510, 30411020]

約数ペア:

[(1, 30411020), (2, 15205510), (4, 7602755), (5, 6082204), (10, 3041102), (19, 1600580), (20, 1520551), (38, 800290), (76, 400145), (95, 320116), (190, 160058), (191, 159220), (380, 80029), (382, 79610), (419, 72580), (764, 39805), (838, 36290), (955, 31844), (1676, 18145), (1910, 15922), (2095, 14516), (3629, 8380), (3820, 7961), (4190, 7258)]