289762720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139309}}^1$

素因数の和:139337

約数の個数: 48

約数和(自身を含む): 737228520

約数和(自身を除く): 447465800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 139309, 278618, 557236, 696545, 1114472, 1393090, 1811017, 2228944, 2786180, 3622034, 4457888, 5572360, 7244068, 9055085, 11144720, 14488136, 18110170, 22289440, 28976272, 36220340, 57952544, 72440680, 144881360, 289762720]

約数ペア:

[(1, 289762720), (2, 144881360), (4, 72440680), (5, 57952544), (8, 36220340), (10, 28976272), (13, 22289440), (16, 18110170), (20, 14488136), (26, 11144720), (32, 9055085), (40, 7244068), (52, 5572360), (65, 4457888), (80, 3622034), (104, 2786180), (130, 2228944), (160, 1811017), (208, 1393090), (260, 1114472), (416, 696545), (520, 557236), (1040, 278618), (2080, 139309)]