245653380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{194963}}^1$

素因数の和:194985

約数の個数: 72

約数和(自身を含む): 851602752

約数和(自身を除く): 605949372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 194963, 389926, 584889, 779852, 974815, 1169778, 1364741, 1754667, 1949630, 2339556, 2729482, 2924445, 3509334, 3899260, 4094223, 5458964, 5848890, 6823705, 7018668, 8188446, 8773335, 11697780, 12282669, 13647410, 16376892, 17546670, 20471115, 24565338, 27294820, 35093340, 40942230, 49130676, 61413345, 81884460, 122826690, 245653380]

約数ペア:

[(1, 245653380), (2, 122826690), (3, 81884460), (4, 61413345), (5, 49130676), (6, 40942230), (7, 35093340), (9, 27294820), (10, 24565338), (12, 20471115), (14, 17546670), (15, 16376892), (18, 13647410), (20, 12282669), (21, 11697780), (28, 8773335), (30, 8188446), (35, 7018668), (36, 6823705), (42, 5848890), (45, 5458964), (60, 4094223), (63, 3899260), (70, 3509334), (84, 2924445), (90, 2729482), (105, 2339556), (126, 1949630), (140, 1754667), (180, 1364741), (210, 1169778), (252, 974815), (315, 779852), (420, 584889), (630, 389926), (1260, 194963)]