249719340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{320153}}^1$

素因数の和:320178

約数の個数: 48

約数和(自身を含む): 753002208

約数和(自身を除く): 503282868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 320153, 640306, 960459, 1280612, 1600765, 1920918, 3201530, 3841836, 4161989, 4802295, 6403060, 8323978, 9604590, 12485967, 16647956, 19209180, 20809945, 24971934, 41619890, 49943868, 62429835, 83239780, 124859670, 249719340]

約数ペア:

[(1, 249719340), (2, 124859670), (3, 83239780), (4, 62429835), (5, 49943868), (6, 41619890), (10, 24971934), (12, 20809945), (13, 19209180), (15, 16647956), (20, 12485967), (26, 9604590), (30, 8323978), (39, 6403060), (52, 4802295), (60, 4161989), (65, 3841836), (78, 3201530), (130, 1920918), (156, 1600765), (195, 1280612), (260, 960459), (390, 640306), (780, 320153)]