389730810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{265123}}^1$

素因数の和:265147

約数の個数: 48

約数和(自身を含む): 1088068896

約数和(自身を除く): 698338086

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 265123, 530246, 795369, 1325615, 1590738, 1855861, 2651230, 3711722, 3976845, 5567583, 7953690, 9279305, 11135166, 12991027, 18558610, 25982054, 27837915, 38973081, 55675830, 64955135, 77946162, 129910270, 194865405, 389730810]

約数ペア:

[(1, 389730810), (2, 194865405), (3, 129910270), (5, 77946162), (6, 64955135), (7, 55675830), (10, 38973081), (14, 27837915), (15, 25982054), (21, 18558610), (30, 12991027), (35, 11135166), (42, 9279305), (49, 7953690), (70, 5567583), (98, 3976845), (105, 3711722), (147, 2651230), (210, 1855861), (245, 1590738), (294, 1325615), (490, 795369), (735, 530246), (1470, 265123)]