830490620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{12289}}^1$

素因数の和:12438

約数の個数: 48

約数和(自身を含む): 1816953600

約数和(自身を除く): 986462980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 3379, 6758, 12289, 13516, 16895, 24578, 33790, 49156, 61445, 67580, 122890, 245780, 380959, 761918, 1339501, 1523836, 1904795, 2679002, 3809590, 5358004, 6697505, 7619180, 13395010, 26790020, 41524531, 83049062, 166098124, 207622655, 415245310, 830490620]

約数ペア:

[(1, 830490620), (2, 415245310), (4, 207622655), (5, 166098124), (10, 83049062), (20, 41524531), (31, 26790020), (62, 13395010), (109, 7619180), (124, 6697505), (155, 5358004), (218, 3809590), (310, 2679002), (436, 1904795), (545, 1523836), (620, 1339501), (1090, 761918), (2180, 380959), (3379, 245780), (6758, 122890), (12289, 67580), (13516, 61445), (16895, 49156), (24578, 33790)]