164920300

素因数分解:

$2^2\times 5^2\times {\mathrm{647}}^1\times {\mathrm{2549}}^1$

素因数の和:3210

約数の個数: 36

約数和(自身を含む): 358570800

約数和(自身を除く): 193650500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 647, 1294, 2549, 2588, 3235, 5098, 6470, 10196, 12745, 12940, 16175, 25490, 32350, 50980, 63725, 64700, 127450, 254900, 1649203, 3298406, 6596812, 8246015, 16492030, 32984060, 41230075, 82460150, 164920300]

約数ペア:

[(1, 164920300), (2, 82460150), (4, 41230075), (5, 32984060), (10, 16492030), (20, 8246015), (25, 6596812), (50, 3298406), (100, 1649203), (647, 254900), (1294, 127450), (2549, 64700), (2588, 63725), (3235, 50980), (5098, 32350), (6470, 25490), (10196, 16175), (12745, 12940)]