288869840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{515839}}^1$

素因数の和:515859

約数の個数: 40

約数和(自身を含む): 767569920

約数和(自身を除く): 478700080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 515839, 1031678, 2063356, 2579195, 3610873, 4126712, 5158390, 7221746, 8253424, 10316780, 14443492, 18054365, 20633560, 28886984, 36108730, 41267120, 57773968, 72217460, 144434920, 288869840]

約数ペア:

[(1, 288869840), (2, 144434920), (4, 72217460), (5, 57773968), (7, 41267120), (8, 36108730), (10, 28886984), (14, 20633560), (16, 18054365), (20, 14443492), (28, 10316780), (35, 8253424), (40, 7221746), (56, 5158390), (70, 4126712), (80, 3610873), (112, 2579195), (140, 2063356), (280, 1031678), (560, 515839)]