2269840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 5591160

約数和(自身を除く): 3321320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1669, 3338, 6676, 8345, 13352, 16690, 26704, 28373, 33380, 56746, 66760, 113492, 133520, 141865, 226984, 283730, 453968, 567460, 1134920, 2269840]

約数ペア:

[(1, 2269840), (2, 1134920), (4, 567460), (5, 453968), (8, 283730), (10, 226984), (16, 141865), (17, 133520), (20, 113492), (34, 66760), (40, 56746), (68, 33380), (80, 28373), (85, 26704), (136, 16690), (170, 13352), (272, 8345), (340, 6676), (680, 3338), (1360, 1669)]