1898000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:109

約数の個数: 80

約数和(自身を含む): 5010096

約数和(自身を除く): 3112096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 73, 80, 100, 104, 125, 130, 146, 200, 208, 250, 260, 292, 325, 365, 400, 500, 520, 584, 650, 730, 949, 1000, 1040, 1168, 1300, 1460, 1625, 1825, 1898, 2000, 2600, 2920, 3250, 3650, 3796, 4745, 5200, 5840, 6500, 7300, 7592, 9125, 9490, 13000, 14600, 15184, 18250, 18980, 23725, 26000, 29200, 36500, 37960, 47450, 73000, 75920, 94900, 118625, 146000, 189800, 237250, 379600, 474500, 949000, 1898000]

約数ペア:

[(1, 1898000), (2, 949000), (4, 474500), (5, 379600), (8, 237250), (10, 189800), (13, 146000), (16, 118625), (20, 94900), (25, 75920), (26, 73000), (40, 47450), (50, 37960), (52, 36500), (65, 29200), (73, 26000), (80, 23725), (100, 18980), (104, 18250), (125, 15184), (130, 14600), (146, 13000), (200, 9490), (208, 9125), (250, 7592), (260, 7300), (292, 6500), (325, 5840), (365, 5200), (400, 4745), (500, 3796), (520, 3650), (584, 3250), (650, 2920), (730, 2600), (949, 2000), (1000, 1898), (1040, 1825), (1168, 1625), (1300, 1460)]