245490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{167}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 689472

約数和(自身を除く): 443982

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 167, 210, 245, 294, 334, 490, 501, 735, 835, 1002, 1169, 1470, 1670, 2338, 2505, 3507, 5010, 5845, 7014, 8183, 11690, 16366, 17535, 24549, 35070, 40915, 49098, 81830, 122745, 245490]

約数ペア:

[(1, 245490), (2, 122745), (3, 81830), (5, 49098), (6, 40915), (7, 35070), (10, 24549), (14, 17535), (15, 16366), (21, 11690), (30, 8183), (35, 7014), (42, 5845), (49, 5010), (70, 3507), (98, 2505), (105, 2338), (147, 1670), (167, 1470), (210, 1169), (245, 1002), (294, 835), (334, 735), (490, 501)]