1900802225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{472249}}^1$

素因数の和:472289

約数の個数: 24

約数和(自身を含む): 2810832000

約数和(自身を除く): 910029775

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 472249, 2361245, 3305743, 10861727, 11806225, 16528715, 54308635, 76032089, 82643575, 271543175, 380160445, 1900802225]

約数ペア:

[(1, 1900802225), (5, 380160445), (7, 271543175), (23, 82643575), (25, 76032089), (35, 54308635), (115, 16528715), (161, 11806225), (175, 10861727), (575, 3305743), (805, 2361245), (4025, 472249)]