1802900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 54

約数和(自身を含む): 4329150

約数和(自身を除く): 2526250

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 149, 220, 242, 275, 298, 484, 550, 596, 605, 745, 1100, 1210, 1490, 1639, 2420, 2980, 3025, 3278, 3725, 6050, 6556, 7450, 8195, 12100, 14900, 16390, 18029, 32780, 36058, 40975, 72116, 81950, 90145, 163900, 180290, 360580, 450725, 901450, 1802900]

約数ペア:

[(1, 1802900), (2, 901450), (4, 450725), (5, 360580), (10, 180290), (11, 163900), (20, 90145), (22, 81950), (25, 72116), (44, 40975), (50, 36058), (55, 32780), (100, 18029), (110, 16390), (121, 14900), (149, 12100), (220, 8195), (242, 7450), (275, 6556), (298, 6050), (484, 3725), (550, 3278), (596, 3025), (605, 2980), (745, 2420), (1100, 1639), (1210, 1490)]