30280180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6977}}^1$

素因数の和:7024

約数の個数: 48

約数和(自身を含む): 75027456

約数和(自身を除く): 44747276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6977, 13954, 27908, 34885, 48839, 69770, 97678, 139540, 195356, 216287, 244195, 432574, 488390, 865148, 976780, 1081435, 1514009, 2162870, 3028018, 4325740, 6056036, 7570045, 15140090, 30280180]

約数ペア:

[(1, 30280180), (2, 15140090), (4, 7570045), (5, 6056036), (7, 4325740), (10, 3028018), (14, 2162870), (20, 1514009), (28, 1081435), (31, 976780), (35, 865148), (62, 488390), (70, 432574), (124, 244195), (140, 216287), (155, 195356), (217, 139540), (310, 97678), (434, 69770), (620, 48839), (868, 34885), (1085, 27908), (2170, 13954), (4340, 6977)]