157413860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1093}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 349204800

約数和(自身を除く): 191790940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 758, 1093, 1516, 1895, 2186, 3790, 4372, 5465, 7201, 7580, 10930, 14402, 20767, 21860, 28804, 36005, 41534, 72010, 83068, 103835, 144020, 207670, 414247, 415340, 828494, 1656988, 2071235, 4142470, 7870693, 8284940, 15741386, 31482772, 39353465, 78706930, 157413860]

約数ペア:

[(1, 157413860), (2, 78706930), (4, 39353465), (5, 31482772), (10, 15741386), (19, 8284940), (20, 7870693), (38, 4142470), (76, 2071235), (95, 1656988), (190, 828494), (379, 415340), (380, 414247), (758, 207670), (1093, 144020), (1516, 103835), (1895, 83068), (2186, 72010), (3790, 41534), (4372, 36005), (5465, 28804), (7201, 21860), (7580, 20767), (10930, 14402)]