1117200980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{12809}}^1$

素因数の和:12921

約数の個数: 72

約数和(自身を含む): 2760042600

約数和(自身を除く): 1642841620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2492, 3115, 4361, 6230, 8722, 12460, 12809, 17444, 21805, 25618, 43610, 51236, 64045, 87220, 89663, 128090, 179326, 256180, 358652, 448315, 627641, 896630, 1140001, 1255282, 1793260, 2280002, 2510564, 3138205, 4560004, 5700005, 6276410, 7980007, 11400010, 12552820, 15960014, 22800020, 31920028, 39900035, 55860049, 79800070, 111720098, 159600140, 223440196, 279300245, 558600490, 1117200980]

約数ペア:

[(1, 1117200980), (2, 558600490), (4, 279300245), (5, 223440196), (7, 159600140), (10, 111720098), (14, 79800070), (20, 55860049), (28, 39900035), (35, 31920028), (49, 22800020), (70, 15960014), (89, 12552820), (98, 11400010), (140, 7980007), (178, 6276410), (196, 5700005), (245, 4560004), (356, 3138205), (445, 2510564), (490, 2280002), (623, 1793260), (890, 1255282), (980, 1140001), (1246, 896630), (1780, 627641), (2492, 448315), (3115, 358652), (4361, 256180), (6230, 179326), (8722, 128090), (12460, 89663), (12809, 87220), (17444, 64045), (21805, 51236), (25618, 43610)]