9855860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 24562440

約数和(自身を除く): 14706580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 113, 140, 178, 196, 226, 245, 356, 445, 452, 490, 565, 623, 791, 890, 980, 1130, 1246, 1582, 1780, 2260, 2492, 3115, 3164, 3955, 4361, 5537, 6230, 7910, 8722, 10057, 11074, 12460, 15820, 17444, 20114, 21805, 22148, 27685, 40228, 43610, 50285, 55370, 70399, 87220, 100570, 110740, 140798, 201140, 281596, 351995, 492793, 703990, 985586, 1407980, 1971172, 2463965, 4927930, 9855860]

約数ペア:

[(1, 9855860), (2, 4927930), (4, 2463965), (5, 1971172), (7, 1407980), (10, 985586), (14, 703990), (20, 492793), (28, 351995), (35, 281596), (49, 201140), (70, 140798), (89, 110740), (98, 100570), (113, 87220), (140, 70399), (178, 55370), (196, 50285), (226, 43610), (245, 40228), (356, 27685), (445, 22148), (452, 21805), (490, 20114), (565, 17444), (623, 15820), (791, 12460), (890, 11074), (980, 10057), (1130, 8722), (1246, 7910), (1582, 6230), (1780, 5537), (2260, 4361), (2492, 3955), (3115, 3164)]