208326640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 160

約数和(自身を含む): 546393600

約数和(自身を除く): 338066960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 59, 76, 80, 92, 95, 101, 115, 118, 152, 184, 190, 202, 230, 236, 295, 304, 368, 380, 404, 437, 460, 472, 505, 590, 760, 808, 874, 920, 944, 1010, 1121, 1180, 1357, 1520, 1616, 1748, 1840, 1919, 2020, 2185, 2242, 2323, 2360, 2714, 3496, 3838, 4040, 4370, 4484, 4646, 4720, 5428, 5605, 5959, 6785, 6992, 7676, 8080, 8740, 8968, 9292, 9595, 10856, 11210, 11615, 11918, 13570, 15352, 17480, 17936, 18584, 19190, 21712, 22420, 23230, 23836, 25783, 27140, 29795, 30704, 34960, 37168, 38380, 44137, 44840, 46460, 47672, 51566, 54280, 59590, 76760, 88274, 89680, 92920, 95344, 103132, 108560, 113221, 119180, 128915, 137057, 153520, 176548, 185840, 206264, 220685, 226442, 238360, 257830, 274114, 353096, 412528, 441370, 452884, 476720, 515660, 548228, 566105, 685285, 706192, 882740, 905768, 1031320, 1096456, 1132210, 1370570, 1765480, 1811536, 2062640, 2192912, 2264420, 2604083, 2741140, 3530960, 4528840, 5208166, 5482280, 9057680, 10416332, 10964560, 13020415, 20832664, 26040830, 41665328, 52081660, 104163320, 208326640]

約数ペア:

[(1, 208326640), (2, 104163320), (4, 52081660), (5, 41665328), (8, 26040830), (10, 20832664), (16, 13020415), (19, 10964560), (20, 10416332), (23, 9057680), (38, 5482280), (40, 5208166), (46, 4528840), (59, 3530960), (76, 2741140), (80, 2604083), (92, 2264420), (95, 2192912), (101, 2062640), (115, 1811536), (118, 1765480), (152, 1370570), (184, 1132210), (190, 1096456), (202, 1031320), (230, 905768), (236, 882740), (295, 706192), (304, 685285), (368, 566105), (380, 548228), (404, 515660), (437, 476720), (460, 452884), (472, 441370), (505, 412528), (590, 353096), (760, 274114), (808, 257830), (874, 238360), (920, 226442), (944, 220685), (1010, 206264), (1121, 185840), (1180, 176548), (1357, 153520), (1520, 137057), (1616, 128915), (1748, 119180), (1840, 113221), (1919, 108560), (2020, 103132), (2185, 95344), (2242, 92920), (2323, 89680), (2360, 88274), (2714, 76760), (3496, 59590), (3838, 54280), (4040, 51566), (4370, 47672), (4484, 46460), (4646, 44840), (4720, 44137), (5428, 38380), (5605, 37168), (5959, 34960), (6785, 30704), (6992, 29795), (7676, 27140), (8080, 25783), (8740, 23836), (8968, 23230), (9292, 22420), (9595, 21712), (10856, 19190), (11210, 18584), (11615, 17936), (11918, 17480), (13570, 15352)]