201722844980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3671}}^1\times {\mathrm{30871}}^1$

素因数の和:34640

約数の個数: 48

約数和(自身を含む): 428508299520

約数和(自身を除く): 226785454540

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3671, 7342, 14684, 18355, 30871, 36710, 61742, 73420, 123484, 154355, 308710, 326719, 617420, 653438, 1306876, 1633595, 2747519, 3267190, 5495038, 6534380, 10990076, 13737595, 27475190, 54950380, 113327441, 226654882, 453309764, 566637205, 1133274410, 2266548820, 10086142249, 20172284498, 40344568996, 50430711245, 100861422490, 201722844980]

約数ペア:

[(1, 201722844980), (2, 100861422490), (4, 50430711245), (5, 40344568996), (10, 20172284498), (20, 10086142249), (89, 2266548820), (178, 1133274410), (356, 566637205), (445, 453309764), (890, 226654882), (1780, 113327441), (3671, 54950380), (7342, 27475190), (14684, 13737595), (18355, 10990076), (30871, 6534380), (36710, 5495038), (61742, 3267190), (73420, 2747519), (123484, 1633595), (154355, 1306876), (308710, 653438), (326719, 617420)]