67419820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{743}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 153115200

約数和(自身を除く): 85695380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 743, 1396, 1486, 1745, 2972, 3490, 3715, 4537, 6980, 7430, 9074, 9659, 14860, 18148, 19318, 22685, 38636, 45370, 48295, 90740, 96590, 193180, 259307, 518614, 1037228, 1296535, 2593070, 3370991, 5186140, 6741982, 13483964, 16854955, 33709910, 67419820]

約数ペア:

[(1, 67419820), (2, 33709910), (4, 16854955), (5, 13483964), (10, 6741982), (13, 5186140), (20, 3370991), (26, 2593070), (52, 1296535), (65, 1037228), (130, 518614), (260, 259307), (349, 193180), (698, 96590), (743, 90740), (1396, 48295), (1486, 45370), (1745, 38636), (2972, 22685), (3490, 19318), (3715, 18148), (4537, 14860), (6980, 9659), (7430, 9074)]