201802040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 326965960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 101, 110, 152, 190, 202, 209, 220, 239, 380, 404, 418, 440, 478, 505, 760, 808, 836, 956, 1010, 1045, 1111, 1195, 1672, 1912, 1919, 2020, 2090, 2222, 2390, 2629, 3838, 4040, 4180, 4444, 4541, 4780, 5258, 5555, 7676, 8360, 8888, 9082, 9560, 9595, 10516, 11110, 13145, 15352, 18164, 19190, 21032, 21109, 22220, 22705, 24139, 26290, 36328, 38380, 42218, 44440, 45410, 48278, 49951, 52580, 76760, 84436, 90820, 96556, 99902, 105160, 105545, 120695, 168872, 181640, 193112, 199804, 211090, 241390, 249755, 265529, 399608, 422180, 458641, 482780, 499510, 531058, 844360, 917282, 965560, 999020, 1062116, 1327645, 1834564, 1998040, 2124232, 2293205, 2655290, 3669128, 4586410, 5045051, 5310580, 9172820, 10090102, 10621160, 18345640, 20180204, 25225255, 40360408, 50450510, 100901020, 201802040]

約数ペア:

[(1, 201802040), (2, 100901020), (4, 50450510), (5, 40360408), (8, 25225255), (10, 20180204), (11, 18345640), (19, 10621160), (20, 10090102), (22, 9172820), (38, 5310580), (40, 5045051), (44, 4586410), (55, 3669128), (76, 2655290), (88, 2293205), (95, 2124232), (101, 1998040), (110, 1834564), (152, 1327645), (190, 1062116), (202, 999020), (209, 965560), (220, 917282), (239, 844360), (380, 531058), (404, 499510), (418, 482780), (440, 458641), (478, 422180), (505, 399608), (760, 265529), (808, 249755), (836, 241390), (956, 211090), (1010, 199804), (1045, 193112), (1111, 181640), (1195, 168872), (1672, 120695), (1912, 105545), (1919, 105160), (2020, 99902), (2090, 96556), (2222, 90820), (2390, 84436), (2629, 76760), (3838, 52580), (4040, 49951), (4180, 48278), (4444, 45410), (4541, 44440), (4780, 42218), (5258, 38380), (5555, 36328), (7676, 26290), (8360, 24139), (8888, 22705), (9082, 22220), (9560, 21109), (9595, 21032), (10516, 19190), (11110, 18164), (13145, 15352)]