210002260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13241}}^1$

素因数の和:13324

約数の個数: 48

約数和(自身を含む): 482750352

約数和(自身を除く): 272748092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 13241, 15860, 26482, 52964, 66205, 132410, 172133, 264820, 344266, 688532, 807701, 860665, 1615402, 1721330, 3230804, 3442660, 4038505, 8077010, 10500113, 16154020, 21000226, 42000452, 52500565, 105001130, 210002260]

約数ペア:

[(1, 210002260), (2, 105001130), (4, 52500565), (5, 42000452), (10, 21000226), (13, 16154020), (20, 10500113), (26, 8077010), (52, 4038505), (61, 3442660), (65, 3230804), (122, 1721330), (130, 1615402), (244, 860665), (260, 807701), (305, 688532), (610, 344266), (793, 264820), (1220, 172133), (1586, 132410), (3172, 66205), (3965, 52964), (7930, 26482), (13241, 15860)]