20121499300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28744999}}^1$

素因数の和:28745020

約数の個数: 36

約数和(自身を含む): 49901320000

約数和(自身を除く): 29779820700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28744999, 57489998, 114979996, 143724995, 201214993, 287449990, 402429986, 574899980, 718624975, 804859972, 1006074965, 1437249950, 2012149930, 2874499900, 4024299860, 5030374825, 10060749650, 20121499300]

約数ペア:

[(1, 20121499300), (2, 10060749650), (4, 5030374825), (5, 4024299860), (7, 2874499900), (10, 2012149930), (14, 1437249950), (20, 1006074965), (25, 804859972), (28, 718624975), (35, 574899980), (50, 402429986), (70, 287449990), (100, 201214993), (140, 143724995), (175, 114979996), (350, 57489998), (700, 28744999)]