31016980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 67173120

約数和(自身を除く): 36156140

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 134, 158, 268, 293, 316, 335, 395, 586, 670, 790, 1172, 1340, 1465, 1580, 2930, 5293, 5860, 10586, 19631, 21172, 23147, 26465, 39262, 46294, 52930, 78524, 92588, 98155, 105860, 115735, 196310, 231470, 392620, 462940, 1550849, 3101698, 6203396, 7754245, 15508490, 31016980]

約数ペア:

[(1, 31016980), (2, 15508490), (4, 7754245), (5, 6203396), (10, 3101698), (20, 1550849), (67, 462940), (79, 392620), (134, 231470), (158, 196310), (268, 115735), (293, 105860), (316, 98155), (335, 92588), (395, 78524), (586, 52930), (670, 46294), (790, 39262), (1172, 26465), (1340, 23147), (1465, 21172), (1580, 19631), (2930, 10586), (5293, 5860)]