421194200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{42979}}^1$

素因数の和:43009

約数の個数: 72

約数和(自身を含む): 1139184900

約数和(自身を除く): 717990700

約数列:

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

約数ペア:

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