320419428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{13291}}^1$

素因数の和:13353

約数の個数: 72

約数和(自身を含む): 890989344

約数和(自身を除く): 570569916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 2009, 3444, 4018, 6027, 8036, 12054, 13291, 24108, 26582, 39873, 53164, 79746, 93037, 159492, 186074, 279111, 372148, 544931, 558222, 651259, 1089862, 1116444, 1302518, 1634793, 1953777, 2179724, 2605036, 3269586, 3814517, 3907554, 6539172, 7629034, 7815108, 11443551, 15258068, 22887102, 26701619, 45774204, 53403238, 80104857, 106806476, 160209714, 320419428]

約数ペア:

[(1, 320419428), (2, 160209714), (3, 106806476), (4, 80104857), (6, 53403238), (7, 45774204), (12, 26701619), (14, 22887102), (21, 15258068), (28, 11443551), (41, 7815108), (42, 7629034), (49, 6539172), (82, 3907554), (84, 3814517), (98, 3269586), (123, 2605036), (147, 2179724), (164, 1953777), (196, 1634793), (246, 1302518), (287, 1116444), (294, 1089862), (492, 651259), (574, 558222), (588, 544931), (861, 372148), (1148, 279111), (1722, 186074), (2009, 159492), (3444, 93037), (4018, 79746), (6027, 53164), (8036, 39873), (12054, 26582), (13291, 24108)]