71784550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 137750112

約数和(自身を除く): 65965562

約数列:

[1, 2, 5, 10, 25, 50, 71, 73, 142, 146, 277, 355, 365, 554, 710, 730, 1385, 1775, 1825, 2770, 3550, 3650, 5183, 6925, 10366, 13850, 19667, 20221, 25915, 39334, 40442, 51830, 98335, 101105, 129575, 196670, 202210, 259150, 491675, 505525, 983350, 1011050, 1435691, 2871382, 7178455, 14356910, 35892275, 71784550]

約数ペア:

[(1, 71784550), (2, 35892275), (5, 14356910), (10, 7178455), (25, 2871382), (50, 1435691), (71, 1011050), (73, 983350), (142, 505525), (146, 491675), (277, 259150), (355, 202210), (365, 196670), (554, 129575), (710, 101105), (730, 98335), (1385, 51830), (1775, 40442), (1825, 39334), (2770, 25915), (3550, 20221), (3650, 19667), (5183, 13850), (6925, 10366)]