2619340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 5937120

約数和(自身を除く): 3317780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 113, 122, 190, 226, 244, 305, 380, 452, 565, 610, 1130, 1159, 1220, 2147, 2260, 2318, 4294, 4636, 5795, 6893, 8588, 10735, 11590, 13786, 21470, 23180, 27572, 34465, 42940, 68930, 130967, 137860, 261934, 523868, 654835, 1309670, 2619340]

約数ペア:

[(1, 2619340), (2, 1309670), (4, 654835), (5, 523868), (10, 261934), (19, 137860), (20, 130967), (38, 68930), (61, 42940), (76, 34465), (95, 27572), (113, 23180), (122, 21470), (190, 13786), (226, 11590), (244, 10735), (305, 8588), (380, 6893), (452, 5795), (565, 4636), (610, 4294), (1130, 2318), (1159, 2260), (1220, 2147)]