2021960740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{36643}}^1$

素因数の和:36772

約数の個数: 48

約数和(自身を含む): 4432458240

約数和(自身を除く): 2410497500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 5518, 11036, 13795, 27590, 36643, 55180, 73286, 146572, 183215, 366430, 732860, 1135933, 2271866, 3261227, 4543732, 5679665, 6522454, 11359330, 13044908, 16306135, 22718660, 32612270, 65224540, 101098037, 202196074, 404392148, 505490185, 1010980370, 2021960740]

約数ペア:

[(1, 2021960740), (2, 1010980370), (4, 505490185), (5, 404392148), (10, 202196074), (20, 101098037), (31, 65224540), (62, 32612270), (89, 22718660), (124, 16306135), (155, 13044908), (178, 11359330), (310, 6522454), (356, 5679665), (445, 4543732), (620, 3261227), (890, 2271866), (1780, 1135933), (2759, 732860), (5518, 366430), (11036, 183215), (13795, 146572), (27590, 73286), (36643, 55180)]