217873360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{160201}}^1$

素因数の和:160231

約数の個数: 40

約数和(自身を含む): 536356296

約数和(自身を除く): 318482936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 160201, 320402, 640804, 801005, 1281608, 1602010, 2563216, 2723417, 3204020, 5446834, 6408040, 10893668, 12816080, 13617085, 21787336, 27234170, 43574672, 54468340, 108936680, 217873360]

約数ペア:

[(1, 217873360), (2, 108936680), (4, 54468340), (5, 43574672), (8, 27234170), (10, 21787336), (16, 13617085), (17, 12816080), (20, 10893668), (34, 6408040), (40, 5446834), (68, 3204020), (80, 2723417), (85, 2563216), (136, 1602010), (170, 1281608), (272, 801005), (340, 640804), (680, 320402), (1360, 160201)]