2021000400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{561389}}^1$

素因数の和:561413

約数の個数: 90

約数和(自身を含む): 7013445270

約数和(自身を除く): 4992444870

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 561389, 1122778, 1684167, 2245556, 2806945, 3368334, 4491112, 5052501, 5613890, 6736668, 8420835, 8982224, 10105002, 11227780, 13473336, 14034725, 16841670, 20210004, 22455560, 25262505, 26946672, 28069450, 33683340, 40420008, 42104175, 44911120, 50525010, 56138900, 67366680, 80840016, 84208350, 101050020, 112277800, 126312525, 134733360, 168416700, 202100040, 224555600, 252625050, 336833400, 404200080, 505250100, 673666800, 1010500200, 2021000400]

約数ペア:

[(1, 2021000400), (2, 1010500200), (3, 673666800), (4, 505250100), (5, 404200080), (6, 336833400), (8, 252625050), (9, 224555600), (10, 202100040), (12, 168416700), (15, 134733360), (16, 126312525), (18, 112277800), (20, 101050020), (24, 84208350), (25, 80840016), (30, 67366680), (36, 56138900), (40, 50525010), (45, 44911120), (48, 42104175), (50, 40420008), (60, 33683340), (72, 28069450), (75, 26946672), (80, 25262505), (90, 22455560), (100, 20210004), (120, 16841670), (144, 14034725), (150, 13473336), (180, 11227780), (200, 10105002), (225, 8982224), (240, 8420835), (300, 6736668), (360, 5613890), (400, 5052501), (450, 4491112), (600, 3368334), (720, 2806945), (900, 2245556), (1200, 1684167), (1800, 1122778), (3600, 561389)]