28623980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18587}}^1$

素因数の和:18614

約数の個数: 48

約数和(自身を含む): 74946816

約数和(自身を除く): 46322836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18587, 37174, 74348, 92935, 130109, 185870, 204457, 260218, 371740, 408914, 520436, 650545, 817828, 1022285, 1301090, 1431199, 2044570, 2602180, 2862398, 4089140, 5724796, 7155995, 14311990, 28623980]

約数ペア:

[(1, 28623980), (2, 14311990), (4, 7155995), (5, 5724796), (7, 4089140), (10, 2862398), (11, 2602180), (14, 2044570), (20, 1431199), (22, 1301090), (28, 1022285), (35, 817828), (44, 650545), (55, 520436), (70, 408914), (77, 371740), (110, 260218), (140, 204457), (154, 185870), (220, 130109), (308, 92935), (385, 74348), (770, 37174), (1540, 18587)]