38485720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 108662400

約数和(自身を除く): 70176680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 97, 104, 109, 130, 140, 182, 194, 218, 260, 280, 364, 388, 436, 455, 485, 520, 545, 679, 728, 763, 776, 872, 910, 970, 1090, 1261, 1358, 1417, 1526, 1820, 1940, 2180, 2522, 2716, 2834, 3052, 3395, 3640, 3815, 3880, 4360, 5044, 5432, 5668, 6104, 6305, 6790, 7085, 7630, 8827, 9919, 10088, 10573, 11336, 12610, 13580, 14170, 15260, 17654, 19838, 21146, 25220, 27160, 28340, 30520, 35308, 39676, 42292, 44135, 49595, 50440, 52865, 56680, 70616, 74011, 79352, 84584, 88270, 99190, 105730, 137449, 148022, 176540, 198380, 211460, 274898, 296044, 353080, 370055, 396760, 422920, 549796, 592088, 687245, 740110, 962143, 1099592, 1374490, 1480220, 1924286, 2748980, 2960440, 3848572, 4810715, 5497960, 7697144, 9621430, 19242860, 38485720]

約数ペア:

[(1, 38485720), (2, 19242860), (4, 9621430), (5, 7697144), (7, 5497960), (8, 4810715), (10, 3848572), (13, 2960440), (14, 2748980), (20, 1924286), (26, 1480220), (28, 1374490), (35, 1099592), (40, 962143), (52, 740110), (56, 687245), (65, 592088), (70, 549796), (91, 422920), (97, 396760), (104, 370055), (109, 353080), (130, 296044), (140, 274898), (182, 211460), (194, 198380), (218, 176540), (260, 148022), (280, 137449), (364, 105730), (388, 99190), (436, 88270), (455, 84584), (485, 79352), (520, 74011), (545, 70616), (679, 56680), (728, 52865), (763, 50440), (776, 49595), (872, 44135), (910, 42292), (970, 39676), (1090, 35308), (1261, 30520), (1358, 28340), (1417, 27160), (1526, 25220), (1820, 21146), (1940, 19838), (2180, 17654), (2522, 15260), (2716, 14170), (2834, 13580), (3052, 12610), (3395, 11336), (3640, 10573), (3815, 10088), (3880, 9919), (4360, 8827), (5044, 7630), (5432, 7085), (5668, 6790), (6104, 6305)]