221081790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1559}}^1$

素因数の和:1761

約数の個数: 64

約数和(自身を含む): 552614400

約数和(自身を除く): 331532610

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 163, 174, 290, 326, 435, 489, 815, 870, 978, 1559, 1630, 2445, 3118, 4677, 4727, 4890, 7795, 9354, 9454, 14181, 15590, 23385, 23635, 28362, 45211, 46770, 47270, 70905, 90422, 135633, 141810, 226055, 254117, 271266, 452110, 508234, 678165, 762351, 1270585, 1356330, 1524702, 2541170, 3811755, 7369393, 7623510, 14738786, 22108179, 36846965, 44216358, 73693930, 110540895, 221081790]

約数ペア:

[(1, 221081790), (2, 110540895), (3, 73693930), (5, 44216358), (6, 36846965), (10, 22108179), (15, 14738786), (29, 7623510), (30, 7369393), (58, 3811755), (87, 2541170), (145, 1524702), (163, 1356330), (174, 1270585), (290, 762351), (326, 678165), (435, 508234), (489, 452110), (815, 271266), (870, 254117), (978, 226055), (1559, 141810), (1630, 135633), (2445, 90422), (3118, 70905), (4677, 47270), (4727, 46770), (4890, 45211), (7795, 28362), (9354, 23635), (9454, 23385), (14181, 15590)]