268045388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 542147760

約数和(自身を除く): 274102372

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 131, 218, 247, 262, 361, 436, 494, 524, 722, 988, 1417, 1444, 1703, 2071, 2489, 2834, 3406, 4142, 4693, 4978, 5668, 6812, 8284, 9386, 9956, 14279, 18772, 26923, 28558, 32357, 39349, 47291, 53846, 57116, 64714, 78698, 94582, 107692, 129428, 157396, 185627, 189164, 271301, 371254, 511537, 542602, 614783, 742508, 1023074, 1085204, 1229566, 2046148, 2459132, 3526913, 5154719, 7053826, 10309438, 14107652, 20618876, 67011347, 134022694, 268045388]

約数ペア:

[(1, 268045388), (2, 134022694), (4, 67011347), (13, 20618876), (19, 14107652), (26, 10309438), (38, 7053826), (52, 5154719), (76, 3526913), (109, 2459132), (131, 2046148), (218, 1229566), (247, 1085204), (262, 1023074), (361, 742508), (436, 614783), (494, 542602), (524, 511537), (722, 371254), (988, 271301), (1417, 189164), (1444, 185627), (1703, 157396), (2071, 129428), (2489, 107692), (2834, 94582), (3406, 78698), (4142, 64714), (4693, 57116), (4978, 53846), (5668, 47291), (6812, 39349), (8284, 32357), (9386, 28558), (9956, 26923), (14279, 18772)]