22919225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 35057280

約数和(自身を除く): 12138055

約数列:

[1, 5, 7, 19, 25, 35, 61, 95, 113, 133, 175, 305, 427, 475, 565, 665, 791, 1159, 1525, 2135, 2147, 2825, 3325, 3955, 5795, 6893, 8113, 10675, 10735, 15029, 19775, 28975, 34465, 40565, 48251, 53675, 75145, 130967, 172325, 202825, 241255, 375725, 654835, 916769, 1206275, 3274175, 4583845, 22919225]

約数ペア:

[(1, 22919225), (5, 4583845), (7, 3274175), (19, 1206275), (25, 916769), (35, 654835), (61, 375725), (95, 241255), (113, 202825), (133, 172325), (175, 130967), (305, 75145), (427, 53675), (475, 48251), (565, 40565), (665, 34465), (791, 28975), (1159, 19775), (1525, 15029), (2135, 10735), (2147, 10675), (2825, 8113), (3325, 6893), (3955, 5795)]