4512500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^2$

素因数の和:67

約数の個数: 54

約数和(自身を含む): 10417302

約数和(自身を除く): 5904802

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 361, 380, 475, 500, 625, 722, 950, 1250, 1444, 1805, 1900, 2375, 2500, 3125, 3610, 4750, 6250, 7220, 9025, 9500, 11875, 12500, 18050, 23750, 36100, 45125, 47500, 59375, 90250, 118750, 180500, 225625, 237500, 451250, 902500, 1128125, 2256250, 4512500]

約数ペア:

[(1, 4512500), (2, 2256250), (4, 1128125), (5, 902500), (10, 451250), (19, 237500), (20, 225625), (25, 180500), (38, 118750), (50, 90250), (76, 59375), (95, 47500), (100, 45125), (125, 36100), (190, 23750), (250, 18050), (361, 12500), (380, 11875), (475, 9500), (500, 9025), (625, 7220), (722, 6250), (950, 4750), (1250, 3610), (1444, 3125), (1805, 2500), (1900, 2375)]