254137040

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{17747}}^1$

素因数の和:17939

約数の個数: 40

約数和(自身を含む): 594203040

約数和(自身を除く): 340066000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 17747, 35494, 70988, 88735, 141976, 177470, 283952, 354940, 709880, 1419760, 3176713, 6353426, 12706852, 15883565, 25413704, 31767130, 50827408, 63534260, 127068520, 254137040]

約数ペア:

[(1, 254137040), (2, 127068520), (4, 63534260), (5, 50827408), (8, 31767130), (10, 25413704), (16, 15883565), (20, 12706852), (40, 6353426), (80, 3176713), (179, 1419760), (358, 709880), (716, 354940), (895, 283952), (1432, 177470), (1790, 141976), (2864, 88735), (3580, 70988), (7160, 35494), (14320, 17747)]