178512100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:769

約数の個数: 72

約数和(自身を含む): 419426280

約数和(自身を除く): 240914180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 353, 389, 650, 706, 778, 1300, 1412, 1556, 1765, 1945, 3530, 3890, 4589, 5057, 7060, 7780, 8825, 9178, 9725, 10114, 17650, 18356, 19450, 20228, 22945, 25285, 35300, 38900, 45890, 50570, 91780, 101140, 114725, 126425, 137317, 229450, 252850, 274634, 458900, 505700, 549268, 686585, 1373170, 1785121, 2746340, 3432925, 3570242, 6865850, 7140484, 8925605, 13731700, 17851210, 35702420, 44628025, 89256050, 178512100]

約数ペア:

[(1, 178512100), (2, 89256050), (4, 44628025), (5, 35702420), (10, 17851210), (13, 13731700), (20, 8925605), (25, 7140484), (26, 6865850), (50, 3570242), (52, 3432925), (65, 2746340), (100, 1785121), (130, 1373170), (260, 686585), (325, 549268), (353, 505700), (389, 458900), (650, 274634), (706, 252850), (778, 229450), (1300, 137317), (1412, 126425), (1556, 114725), (1765, 101140), (1945, 91780), (3530, 50570), (3890, 45890), (4589, 38900), (5057, 35300), (7060, 25285), (7780, 22945), (8825, 20228), (9178, 19450), (9725, 18356), (10114, 17650)]