291228160

素因数分解:

$2^9\times 5^1\times {\mathrm{113761}}^1$

素因数の和:113784

約数の個数: 40

約数和(自身を含む): 698271156

約数和(自身を除く): 407042996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 113761, 227522, 455044, 568805, 910088, 1137610, 1820176, 2275220, 3640352, 4550440, 7280704, 9100880, 14561408, 18201760, 29122816, 36403520, 58245632, 72807040, 145614080, 291228160]

約数ペア:

[(1, 291228160), (2, 145614080), (4, 72807040), (5, 58245632), (8, 36403520), (10, 29122816), (16, 18201760), (20, 14561408), (32, 9100880), (40, 7280704), (64, 4550440), (80, 3640352), (128, 2275220), (160, 1820176), (256, 1137610), (320, 910088), (512, 568805), (640, 455044), (1280, 227522), (2560, 113761)]