100398800

素因数分解:

$2^4\times 5^2\times {\mathrm{499}}^1\times {\mathrm{503}}^1$

素因数の和:1020

約数の個数: 60

約数和(自身を含む): 242172000

約数和(自身を除く): 141773200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 499, 503, 998, 1006, 1996, 2012, 2495, 2515, 3992, 4024, 4990, 5030, 7984, 8048, 9980, 10060, 12475, 12575, 19960, 20120, 24950, 25150, 39920, 40240, 49900, 50300, 99800, 100600, 199600, 201200, 250997, 501994, 1003988, 1254985, 2007976, 2509970, 4015952, 5019940, 6274925, 10039880, 12549850, 20079760, 25099700, 50199400, 100398800]

約数ペア:

[(1, 100398800), (2, 50199400), (4, 25099700), (5, 20079760), (8, 12549850), (10, 10039880), (16, 6274925), (20, 5019940), (25, 4015952), (40, 2509970), (50, 2007976), (80, 1254985), (100, 1003988), (200, 501994), (400, 250997), (499, 201200), (503, 199600), (998, 100600), (1006, 99800), (1996, 50300), (2012, 49900), (2495, 40240), (2515, 39920), (3992, 25150), (4024, 24950), (4990, 20120), (5030, 19960), (7984, 12575), (8048, 12475), (9980, 10060)]