199163840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1246

約数の個数: 112

約数和(自身を含む): 518793984

約数和(自身を除く): 319630144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1181, 1240, 1360, 1984, 2108, 2362, 2480, 2635, 2720, 4216, 4724, 4960, 5270, 5440, 5905, 8432, 9448, 9920, 10540, 11810, 16864, 18896, 20077, 21080, 23620, 33728, 36611, 37792, 40154, 42160, 47240, 73222, 75584, 80308, 84320, 94480, 100385, 146444, 160616, 168640, 183055, 188960, 200770, 292888, 321232, 366110, 377920, 401540, 585776, 622387, 642464, 732220, 803080, 1171552, 1244774, 1284928, 1464440, 1606160, 2343104, 2489548, 2928880, 3111935, 3212320, 4979096, 5857760, 6223870, 6424640, 9958192, 11715520, 12447740, 19916384, 24895480, 39832768, 49790960, 99581920, 199163840]

約数ペア:

[(1, 199163840), (2, 99581920), (4, 49790960), (5, 39832768), (8, 24895480), (10, 19916384), (16, 12447740), (17, 11715520), (20, 9958192), (31, 6424640), (32, 6223870), (34, 5857760), (40, 4979096), (62, 3212320), (64, 3111935), (68, 2928880), (80, 2489548), (85, 2343104), (124, 1606160), (136, 1464440), (155, 1284928), (160, 1244774), (170, 1171552), (248, 803080), (272, 732220), (310, 642464), (320, 622387), (340, 585776), (496, 401540), (527, 377920), (544, 366110), (620, 321232), (680, 292888), (992, 200770), (1054, 188960), (1088, 183055), (1181, 168640), (1240, 160616), (1360, 146444), (1984, 100385), (2108, 94480), (2362, 84320), (2480, 80308), (2635, 75584), (2720, 73222), (4216, 47240), (4724, 42160), (4960, 40154), (5270, 37792), (5440, 36611), (5905, 33728), (8432, 23620), (9448, 21080), (9920, 20077), (10540, 18896), (11810, 16864)]