207947380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2251}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 454003200

約数和(自身を除く): 246055820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2251, 2980, 4502, 4619, 9004, 9238, 11255, 18476, 22510, 23095, 45020, 46190, 69781, 92380, 139562, 279124, 335399, 348905, 670798, 697810, 1341596, 1395620, 1676995, 3353990, 6707980, 10397369, 20794738, 41589476, 51986845, 103973690, 207947380]

約数ペア:

[(1, 207947380), (2, 103973690), (4, 51986845), (5, 41589476), (10, 20794738), (20, 10397369), (31, 6707980), (62, 3353990), (124, 1676995), (149, 1395620), (155, 1341596), (298, 697810), (310, 670798), (596, 348905), (620, 335399), (745, 279124), (1490, 139562), (2251, 92380), (2980, 69781), (4502, 46190), (4619, 45020), (9004, 23095), (9238, 22510), (11255, 18476)]