19370000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:190

約数の個数: 100

約数和(自身を含む): 50843100

約数和(自身を除く): 31473100

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 149, 200, 208, 250, 260, 298, 325, 400, 500, 520, 596, 625, 650, 745, 1000, 1040, 1192, 1250, 1300, 1490, 1625, 1937, 2000, 2384, 2500, 2600, 2980, 3250, 3725, 3874, 5000, 5200, 5960, 6500, 7450, 7748, 8125, 9685, 10000, 11920, 13000, 14900, 15496, 16250, 18625, 19370, 26000, 29800, 30992, 32500, 37250, 38740, 48425, 59600, 65000, 74500, 77480, 93125, 96850, 130000, 149000, 154960, 186250, 193700, 242125, 298000, 372500, 387400, 484250, 745000, 774800, 968500, 1210625, 1490000, 1937000, 2421250, 3874000, 4842500, 9685000, 19370000]

約数ペア:

[(1, 19370000), (2, 9685000), (4, 4842500), (5, 3874000), (8, 2421250), (10, 1937000), (13, 1490000), (16, 1210625), (20, 968500), (25, 774800), (26, 745000), (40, 484250), (50, 387400), (52, 372500), (65, 298000), (80, 242125), (100, 193700), (104, 186250), (125, 154960), (130, 149000), (149, 130000), (200, 96850), (208, 93125), (250, 77480), (260, 74500), (298, 65000), (325, 59600), (400, 48425), (500, 38740), (520, 37250), (596, 32500), (625, 30992), (650, 29800), (745, 26000), (1000, 19370), (1040, 18625), (1192, 16250), (1250, 15496), (1300, 14900), (1490, 13000), (1625, 11920), (1937, 10000), (2000, 9685), (2384, 8125), (2500, 7748), (2600, 7450), (2980, 6500), (3250, 5960), (3725, 5200), (3874, 5000)]