30789550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 68700960

約数和(自身を除く): 37911410

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 37, 50, 55, 74, 85, 89, 110, 170, 178, 185, 187, 275, 370, 374, 407, 425, 445, 550, 629, 814, 850, 890, 925, 935, 979, 1258, 1513, 1850, 1870, 1958, 2035, 2225, 3026, 3145, 3293, 4070, 4450, 4675, 4895, 6290, 6586, 6919, 7565, 9350, 9790, 10175, 13838, 15130, 15725, 16465, 16643, 20350, 24475, 31450, 32930, 33286, 34595, 36223, 37825, 48950, 55981, 69190, 72446, 75650, 82325, 83215, 111962, 164650, 166430, 172975, 181115, 279905, 345950, 362230, 416075, 559810, 615791, 832150, 905575, 1231582, 1399525, 1811150, 2799050, 3078955, 6157910, 15394775, 30789550]

約数ペア:

[(1, 30789550), (2, 15394775), (5, 6157910), (10, 3078955), (11, 2799050), (17, 1811150), (22, 1399525), (25, 1231582), (34, 905575), (37, 832150), (50, 615791), (55, 559810), (74, 416075), (85, 362230), (89, 345950), (110, 279905), (170, 181115), (178, 172975), (185, 166430), (187, 164650), (275, 111962), (370, 83215), (374, 82325), (407, 75650), (425, 72446), (445, 69190), (550, 55981), (629, 48950), (814, 37825), (850, 36223), (890, 34595), (925, 33286), (935, 32930), (979, 31450), (1258, 24475), (1513, 20350), (1850, 16643), (1870, 16465), (1958, 15725), (2035, 15130), (2225, 13838), (3026, 10175), (3145, 9790), (3293, 9350), (4070, 7565), (4450, 6919), (4675, 6586), (4895, 6290)]