2018048300

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1151}}^1$

素因数の和:1451

約数の個数: 72

約数和(自身を含む): 4454714880

約数和(自身を除く): 2436666580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 197, 356, 394, 445, 788, 890, 985, 1151, 1780, 1970, 2225, 2302, 3940, 4450, 4604, 4925, 5755, 8900, 9850, 11510, 17533, 19700, 23020, 28775, 35066, 57550, 70132, 87665, 102439, 115100, 175330, 204878, 226747, 350660, 409756, 438325, 453494, 512195, 876650, 906988, 1024390, 1133735, 1753300, 2048780, 2267470, 2560975, 4534940, 5121950, 5668675, 10243900, 11337350, 20180483, 22674700, 40360966, 80721932, 100902415, 201804830, 403609660, 504512075, 1009024150, 2018048300]

約数ペア:

[(1, 2018048300), (2, 1009024150), (4, 504512075), (5, 403609660), (10, 201804830), (20, 100902415), (25, 80721932), (50, 40360966), (89, 22674700), (100, 20180483), (178, 11337350), (197, 10243900), (356, 5668675), (394, 5121950), (445, 4534940), (788, 2560975), (890, 2267470), (985, 2048780), (1151, 1753300), (1780, 1133735), (1970, 1024390), (2225, 906988), (2302, 876650), (3940, 512195), (4450, 453494), (4604, 438325), (4925, 409756), (5755, 350660), (8900, 226747), (9850, 204878), (11510, 175330), (17533, 115100), (19700, 102439), (23020, 87665), (28775, 70132), (35066, 57550)]