138292980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329269}}^1$

素因数の和:329288

約数の個数: 48

約数和(自身を含む): 442538880

約数和(自身を除く): 304245900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 329269, 658538, 987807, 1317076, 1646345, 1975614, 2304883, 3292690, 3951228, 4609766, 4939035, 6585380, 6914649, 9219532, 9878070, 11524415, 13829298, 19756140, 23048830, 27658596, 34573245, 46097660, 69146490, 138292980]

約数ペア:

[(1, 138292980), (2, 69146490), (3, 46097660), (4, 34573245), (5, 27658596), (6, 23048830), (7, 19756140), (10, 13829298), (12, 11524415), (14, 9878070), (15, 9219532), (20, 6914649), (21, 6585380), (28, 4939035), (30, 4609766), (35, 3951228), (42, 3292690), (60, 2304883), (70, 1975614), (84, 1646345), (105, 1317076), (140, 987807), (210, 658538), (420, 329269)]