203423440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 518466816

約数和(自身を除く): 315043376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 271, 440, 542, 853, 880, 1084, 1355, 1706, 2168, 2710, 2981, 3412, 4265, 4336, 5420, 5962, 6824, 8530, 9383, 10840, 11924, 13648, 14905, 17060, 18766, 21680, 23848, 29810, 34120, 37532, 46915, 47696, 59620, 68240, 75064, 93830, 119240, 150128, 187660, 231163, 238480, 375320, 462326, 750640, 924652, 1155815, 1849304, 2311630, 2542793, 3698608, 4623260, 5085586, 9246520, 10171172, 12713965, 18493040, 20342344, 25427930, 40684688, 50855860, 101711720, 203423440]

約数ペア:

[(1, 203423440), (2, 101711720), (4, 50855860), (5, 40684688), (8, 25427930), (10, 20342344), (11, 18493040), (16, 12713965), (20, 10171172), (22, 9246520), (40, 5085586), (44, 4623260), (55, 3698608), (80, 2542793), (88, 2311630), (110, 1849304), (176, 1155815), (220, 924652), (271, 750640), (440, 462326), (542, 375320), (853, 238480), (880, 231163), (1084, 187660), (1355, 150128), (1706, 119240), (2168, 93830), (2710, 75064), (2981, 68240), (3412, 59620), (4265, 47696), (4336, 46915), (5420, 37532), (5962, 34120), (6824, 29810), (8530, 23848), (9383, 21680), (10840, 18766), (11924, 17060), (13648, 14905)]