28742210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3767}}^1$

素因数の和:3890

約数の個数: 32

約数和(自身を含む): 59685120

約数和(自身を除く): 30942910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3767, 3815, 7534, 7630, 18835, 26369, 37670, 52738, 131845, 263690, 410603, 821206, 2053015, 2874221, 4106030, 5748442, 14371105, 28742210]

約数ペア:

[(1, 28742210), (2, 14371105), (5, 5748442), (7, 4106030), (10, 2874221), (14, 2053015), (35, 821206), (70, 410603), (109, 263690), (218, 131845), (545, 52738), (763, 37670), (1090, 26369), (1526, 18835), (3767, 7630), (3815, 7534)]