221476720

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4201}}^1$

素因数の和:4873

約数の個数: 40

約数和(自身を含む): 515837520

約数和(自身を除く): 294360800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 3295, 4201, 5272, 6590, 8402, 10544, 13180, 16804, 21005, 26360, 33608, 42010, 52720, 67216, 84020, 168040, 336080, 2768459, 5536918, 11073836, 13842295, 22147672, 27684590, 44295344, 55369180, 110738360, 221476720]

約数ペア:

[(1, 221476720), (2, 110738360), (4, 55369180), (5, 44295344), (8, 27684590), (10, 22147672), (16, 13842295), (20, 11073836), (40, 5536918), (80, 2768459), (659, 336080), (1318, 168040), (2636, 84020), (3295, 67216), (4201, 52720), (5272, 42010), (6590, 33608), (8402, 26360), (10544, 21005), (13180, 16804)]