221493440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1706

約数の個数: 112

約数和(自身を含む): 613038144

約数和(自身を除く): 391544704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 854, 976, 1120, 1220, 1621, 1708, 1952, 2135, 2240, 2440, 3242, 3416, 3904, 4270, 4880, 6484, 6832, 8105, 8540, 9760, 11347, 12968, 13664, 16210, 17080, 19520, 22694, 25936, 27328, 32420, 34160, 45388, 51872, 56735, 64840, 68320, 90776, 98881, 103744, 113470, 129680, 136640, 181552, 197762, 226940, 259360, 363104, 395524, 453880, 494405, 518720, 692167, 726208, 791048, 907760, 988810, 1384334, 1582096, 1815520, 1977620, 2768668, 3164192, 3460835, 3631040, 3955240, 5537336, 6328384, 6921670, 7910480, 11074672, 13843340, 15820960, 22149344, 27686680, 31641920, 44298688, 55373360, 110746720, 221493440]

約数ペア:

[(1, 221493440), (2, 110746720), (4, 55373360), (5, 44298688), (7, 31641920), (8, 27686680), (10, 22149344), (14, 15820960), (16, 13843340), (20, 11074672), (28, 7910480), (32, 6921670), (35, 6328384), (40, 5537336), (56, 3955240), (61, 3631040), (64, 3460835), (70, 3164192), (80, 2768668), (112, 1977620), (122, 1815520), (140, 1582096), (160, 1384334), (224, 988810), (244, 907760), (280, 791048), (305, 726208), (320, 692167), (427, 518720), (448, 494405), (488, 453880), (560, 395524), (610, 363104), (854, 259360), (976, 226940), (1120, 197762), (1220, 181552), (1621, 136640), (1708, 129680), (1952, 113470), (2135, 103744), (2240, 98881), (2440, 90776), (3242, 68320), (3416, 64840), (3904, 56735), (4270, 51872), (4880, 45388), (6484, 34160), (6832, 32420), (8105, 27328), (8540, 25936), (9760, 22694), (11347, 19520), (12968, 17080), (13664, 16210)]