215512180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{63761}}^1$

素因数の和:63796

約数の個数: 36

約数和(自身を含む): 490074732

約数和(自身を除く): 274562552

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 63761, 127522, 255044, 318805, 637610, 828893, 1275220, 1657786, 3315572, 4144465, 8288930, 10775609, 16577860, 21551218, 43102436, 53878045, 107756090, 215512180]

約数ペア:

[(1, 215512180), (2, 107756090), (4, 53878045), (5, 43102436), (10, 21551218), (13, 16577860), (20, 10775609), (26, 8288930), (52, 4144465), (65, 3315572), (130, 1657786), (169, 1275220), (260, 828893), (338, 637610), (676, 318805), (845, 255044), (1690, 127522), (3380, 63761)]