842388400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{42979}}^1$

素因数の和:43011

約数の個数: 90

約数和(自身を含む): 2354315460

約数和(自身を除く): 1511927060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 19600, 42979, 85958, 171916, 214895, 300853, 343832, 429790, 601706, 687664, 859580, 1074475, 1203412, 1504265, 1719160, 2105971, 2148950, 2406824, 3008530, 3438320, 4211942, 4297900, 4813648, 6017060, 7521325, 8423884, 8595800, 10529855, 12034120, 15042650, 16847768, 17191600, 21059710, 24068240, 30085300, 33695536, 42119420, 52649275, 60170600, 84238840, 105298550, 120341200, 168477680, 210597100, 421194200, 842388400]

約数ペア:

[(1, 842388400), (2, 421194200), (4, 210597100), (5, 168477680), (7, 120341200), (8, 105298550), (10, 84238840), (14, 60170600), (16, 52649275), (20, 42119420), (25, 33695536), (28, 30085300), (35, 24068240), (40, 21059710), (49, 17191600), (50, 16847768), (56, 15042650), (70, 12034120), (80, 10529855), (98, 8595800), (100, 8423884), (112, 7521325), (140, 6017060), (175, 4813648), (196, 4297900), (200, 4211942), (245, 3438320), (280, 3008530), (350, 2406824), (392, 2148950), (400, 2105971), (490, 1719160), (560, 1504265), (700, 1203412), (784, 1074475), (980, 859580), (1225, 687664), (1400, 601706), (1960, 429790), (2450, 343832), (2800, 300853), (3920, 214895), (4900, 171916), (9800, 85958), (19600, 42979)]