399087400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{105023}}^1$

素因数の和:105058

約数の個数: 48

約数和(自身を含む): 976723200

約数和(自身を除く): 577635800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 105023, 210046, 420092, 525115, 840184, 1050230, 1995437, 2100460, 2625575, 3990874, 4200920, 5251150, 7981748, 9977185, 10502300, 15963496, 19954370, 21004600, 39908740, 49885925, 79817480, 99771850, 199543700, 399087400]

約数ペア:

[(1, 399087400), (2, 199543700), (4, 99771850), (5, 79817480), (8, 49885925), (10, 39908740), (19, 21004600), (20, 19954370), (25, 15963496), (38, 10502300), (40, 9977185), (50, 7981748), (76, 5251150), (95, 4200920), (100, 3990874), (152, 2625575), (190, 2100460), (200, 1995437), (380, 1050230), (475, 840184), (760, 525115), (950, 420092), (1900, 210046), (3800, 105023)]