28490500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3037

約数の個数: 48

約数和(自身を含む): 65520000

約数和(自身を除く): 37029500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 2999, 4750, 5998, 9500, 11996, 14995, 29990, 56981, 59980, 74975, 113962, 149950, 227924, 284905, 299900, 374875, 569810, 749750, 1139620, 1424525, 1499500, 2849050, 5698100, 7122625, 14245250, 28490500]

約数ペア:

[(1, 28490500), (2, 14245250), (4, 7122625), (5, 5698100), (10, 2849050), (19, 1499500), (20, 1424525), (25, 1139620), (38, 749750), (50, 569810), (76, 374875), (95, 299900), (100, 284905), (125, 227924), (190, 149950), (250, 113962), (380, 74975), (475, 59980), (500, 56981), (950, 29990), (1900, 14995), (2375, 11996), (2999, 9500), (4750, 5998)]