2913820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 7535808

約数和(自身を除く): 4621988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1601, 1820, 3202, 6404, 8005, 11207, 16010, 20813, 22414, 32020, 41626, 44828, 56035, 83252, 104065, 112070, 145691, 208130, 224140, 291382, 416260, 582764, 728455, 1456910, 2913820]

約数ペア:

[(1, 2913820), (2, 1456910), (4, 728455), (5, 582764), (7, 416260), (10, 291382), (13, 224140), (14, 208130), (20, 145691), (26, 112070), (28, 104065), (35, 83252), (52, 56035), (65, 44828), (70, 41626), (91, 32020), (130, 22414), (140, 20813), (182, 16010), (260, 11207), (364, 8005), (455, 6404), (910, 3202), (1601, 1820)]