293880920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2801}}^1$

素因数の和:2916

約数の個数: 64

約数和(自身を含む): 687947040

約数和(自身を除く): 394066120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 1220, 1720, 2440, 2623, 2801, 5246, 5602, 10492, 11204, 13115, 14005, 20984, 22408, 26230, 28010, 52460, 56020, 104920, 112040, 120443, 170861, 240886, 341722, 481772, 602215, 683444, 854305, 963544, 1204430, 1366888, 1708610, 2408860, 3417220, 4817720, 6834440, 7347023, 14694046, 29388092, 36735115, 58776184, 73470230, 146940460, 293880920]

約数ペア:

[(1, 293880920), (2, 146940460), (4, 73470230), (5, 58776184), (8, 36735115), (10, 29388092), (20, 14694046), (40, 7347023), (43, 6834440), (61, 4817720), (86, 3417220), (122, 2408860), (172, 1708610), (215, 1366888), (244, 1204430), (305, 963544), (344, 854305), (430, 683444), (488, 602215), (610, 481772), (860, 341722), (1220, 240886), (1720, 170861), (2440, 120443), (2623, 112040), (2801, 104920), (5246, 56020), (5602, 52460), (10492, 28010), (11204, 26230), (13115, 22408), (14005, 20984)]