551122960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 1399910400

約数和(自身を除く): 848787440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 79, 80, 97, 116, 124, 145, 155, 158, 194, 232, 248, 290, 310, 316, 388, 395, 464, 485, 496, 580, 620, 632, 776, 790, 899, 970, 1160, 1240, 1264, 1552, 1580, 1798, 1940, 2291, 2320, 2449, 2480, 2813, 3007, 3160, 3596, 3880, 4495, 4582, 4898, 5626, 6014, 6320, 7192, 7663, 7760, 8990, 9164, 9796, 11252, 11455, 12028, 12245, 14065, 14384, 15035, 15326, 17980, 18328, 19592, 22504, 22910, 24056, 24490, 28130, 30070, 30652, 35960, 36656, 38315, 39184, 45008, 45820, 48112, 48980, 56260, 60140, 61304, 71021, 71920, 76630, 87203, 91640, 97960, 112520, 120280, 122608, 142042, 153260, 174406, 183280, 195920, 222227, 225040, 237553, 240560, 284084, 306520, 348812, 355105, 436015, 444454, 475106, 568168, 613040, 697624, 710210, 872030, 888908, 950212, 1111135, 1136336, 1187765, 1395248, 1420420, 1744060, 1777816, 1900424, 2222270, 2375530, 2840840, 3488120, 3555632, 3800848, 4444540, 4751060, 5681680, 6889037, 6976240, 8889080, 9502120, 13778074, 17778160, 19004240, 27556148, 34445185, 55112296, 68890370, 110224592, 137780740, 275561480, 551122960]

約数ペア:

[(1, 551122960), (2, 275561480), (4, 137780740), (5, 110224592), (8, 68890370), (10, 55112296), (16, 34445185), (20, 27556148), (29, 19004240), (31, 17778160), (40, 13778074), (58, 9502120), (62, 8889080), (79, 6976240), (80, 6889037), (97, 5681680), (116, 4751060), (124, 4444540), (145, 3800848), (155, 3555632), (158, 3488120), (194, 2840840), (232, 2375530), (248, 2222270), (290, 1900424), (310, 1777816), (316, 1744060), (388, 1420420), (395, 1395248), (464, 1187765), (485, 1136336), (496, 1111135), (580, 950212), (620, 888908), (632, 872030), (776, 710210), (790, 697624), (899, 613040), (970, 568168), (1160, 475106), (1240, 444454), (1264, 436015), (1552, 355105), (1580, 348812), (1798, 306520), (1940, 284084), (2291, 240560), (2320, 237553), (2449, 225040), (2480, 222227), (2813, 195920), (3007, 183280), (3160, 174406), (3596, 153260), (3880, 142042), (4495, 122608), (4582, 120280), (4898, 112520), (5626, 97960), (6014, 91640), (6320, 87203), (7192, 76630), (7663, 71920), (7760, 71021), (8990, 61304), (9164, 60140), (9796, 56260), (11252, 48980), (11455, 48112), (12028, 45820), (12245, 45008), (14065, 39184), (14384, 38315), (15035, 36656), (15326, 35960), (17980, 30652), (18328, 30070), (19592, 28130), (22504, 24490), (22910, 24056)]