268771880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1481}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 653562000

約数和(自身を除く): 384790120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 349, 520, 698, 1396, 1481, 1745, 2792, 2962, 3490, 4537, 5924, 6980, 7405, 9074, 11848, 13960, 14810, 18148, 19253, 22685, 29620, 36296, 38506, 45370, 59240, 77012, 90740, 96265, 154024, 181480, 192530, 385060, 516869, 770120, 1033738, 2067476, 2584345, 4134952, 5168690, 6719297, 10337380, 13438594, 20674760, 26877188, 33596485, 53754376, 67192970, 134385940, 268771880]

約数ペア:

[(1, 268771880), (2, 134385940), (4, 67192970), (5, 53754376), (8, 33596485), (10, 26877188), (13, 20674760), (20, 13438594), (26, 10337380), (40, 6719297), (52, 5168690), (65, 4134952), (104, 2584345), (130, 2067476), (260, 1033738), (349, 770120), (520, 516869), (698, 385060), (1396, 192530), (1481, 181480), (1745, 154024), (2792, 96265), (2962, 90740), (3490, 77012), (4537, 59240), (5924, 45370), (6980, 38506), (7405, 36296), (9074, 29620), (11848, 22685), (13960, 19253), (14810, 18148)]