31387260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5393}}^1$

素因数の和:5502

約数の個数: 48

約数和(自身を含む): 88806816

約数和(自身を除く): 57419556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5393, 5820, 10786, 16179, 21572, 26965, 32358, 53930, 64716, 80895, 107860, 161790, 323580, 523121, 1046242, 1569363, 2092484, 2615605, 3138726, 5231210, 6277452, 7846815, 10462420, 15693630, 31387260]

約数ペア:

[(1, 31387260), (2, 15693630), (3, 10462420), (4, 7846815), (5, 6277452), (6, 5231210), (10, 3138726), (12, 2615605), (15, 2092484), (20, 1569363), (30, 1046242), (60, 523121), (97, 323580), (194, 161790), (291, 107860), (388, 80895), (485, 64716), (582, 53930), (970, 32358), (1164, 26965), (1455, 21572), (1940, 16179), (2910, 10786), (5393, 5820)]