1900194900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{80177}}^1$

素因数の和:80273

約数の個数: 72

約数和(自身を含む): 5567560320

約数和(自身を除く): 3667365420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 948, 1185, 1580, 1975, 2370, 3950, 4740, 5925, 7900, 11850, 23700, 80177, 160354, 240531, 320708, 400885, 481062, 801770, 962124, 1202655, 1603540, 2004425, 2405310, 4008850, 4810620, 6013275, 6333983, 8017700, 12026550, 12667966, 19001949, 24053100, 25335932, 31669915, 38003898, 63339830, 76007796, 95009745, 126679660, 158349575, 190019490, 316699150, 380038980, 475048725, 633398300, 950097450, 1900194900]

約数ペア:

[(1, 1900194900), (2, 950097450), (3, 633398300), (4, 475048725), (5, 380038980), (6, 316699150), (10, 190019490), (12, 158349575), (15, 126679660), (20, 95009745), (25, 76007796), (30, 63339830), (50, 38003898), (60, 31669915), (75, 25335932), (79, 24053100), (100, 19001949), (150, 12667966), (158, 12026550), (237, 8017700), (300, 6333983), (316, 6013275), (395, 4810620), (474, 4008850), (790, 2405310), (948, 2004425), (1185, 1603540), (1580, 1202655), (1975, 962124), (2370, 801770), (3950, 481062), (4740, 400885), (5925, 320708), (7900, 240531), (11850, 160354), (23700, 80177)]