7958860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4373}}^1$

素因数の和:4402

約数の個数: 48

約数和(自身を含む): 20575296

約数和(自身を除く): 12616436

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, 1820, 4373, 8746, 17492, 21865, 30611, 43730, 56849, 61222, 87460, 113698, 122444, 153055, 227396, 284245, 306110, 397943, 568490, 612220, 795886, 1136980, 1591772, 1989715, 3979430, 7958860]

約数ペア:

[(1, 7958860), (2, 3979430), (4, 1989715), (5, 1591772), (7, 1136980), (10, 795886), (13, 612220), (14, 568490), (20, 397943), (26, 306110), (28, 284245), (35, 227396), (52, 153055), (65, 122444), (70, 113698), (91, 87460), (130, 61222), (140, 56849), (182, 43730), (260, 30611), (364, 21865), (455, 17492), (910, 8746), (1820, 4373)]