30386980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 69706224

約数和(自身を除く): 39319244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1601, 1898, 3202, 3796, 4745, 6404, 8005, 9490, 16010, 18980, 20813, 32020, 41626, 83252, 104065, 116873, 208130, 233746, 416260, 467492, 584365, 1168730, 1519349, 2337460, 3038698, 6077396, 7596745, 15193490, 30386980]

約数ペア:

[(1, 30386980), (2, 15193490), (4, 7596745), (5, 6077396), (10, 3038698), (13, 2337460), (20, 1519349), (26, 1168730), (52, 584365), (65, 467492), (73, 416260), (130, 233746), (146, 208130), (260, 116873), (292, 104065), (365, 83252), (730, 41626), (949, 32020), (1460, 20813), (1601, 18980), (1898, 16010), (3202, 9490), (3796, 8005), (4745, 6404)]