198441680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1847}}^1$

素因数の和:1956

約数の個数: 80

約数和(自身を含む): 494968320

約数和(自身を除く): 296526640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 1847, 2686, 3160, 3694, 5372, 6320, 6715, 7388, 9235, 10744, 13430, 14776, 18470, 21488, 26860, 29552, 31399, 36940, 53720, 62798, 73880, 107440, 125596, 145913, 147760, 156995, 251192, 291826, 313990, 502384, 583652, 627980, 729565, 1167304, 1255960, 1459130, 2334608, 2480521, 2511920, 2918260, 4961042, 5836520, 9922084, 11673040, 12402605, 19844168, 24805210, 39688336, 49610420, 99220840, 198441680]

約数ペア:

[(1, 198441680), (2, 99220840), (4, 49610420), (5, 39688336), (8, 24805210), (10, 19844168), (16, 12402605), (17, 11673040), (20, 9922084), (34, 5836520), (40, 4961042), (68, 2918260), (79, 2511920), (80, 2480521), (85, 2334608), (136, 1459130), (158, 1255960), (170, 1167304), (272, 729565), (316, 627980), (340, 583652), (395, 502384), (632, 313990), (680, 291826), (790, 251192), (1264, 156995), (1343, 147760), (1360, 145913), (1580, 125596), (1847, 107440), (2686, 73880), (3160, 62798), (3694, 53720), (5372, 36940), (6320, 31399), (6715, 29552), (7388, 26860), (9235, 21488), (10744, 18470), (13430, 14776)]