243411420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{82793}}^1$

素因数の和:82819

約数の個数: 72

約数和(自身を含む): 792835344

約数和(自身を除く): 549423924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 82793, 165586, 248379, 331172, 413965, 496758, 579551, 827930, 993516, 1159102, 1241895, 1655860, 1738653, 2318204, 2483790, 2897755, 3477306, 4056857, 4967580, 5795510, 6954612, 8113714, 8693265, 11591020, 12170571, 16227428, 17386530, 20284285, 24341142, 34773060, 40568570, 48682284, 60852855, 81137140, 121705710, 243411420]

約数ペア:

[(1, 243411420), (2, 121705710), (3, 81137140), (4, 60852855), (5, 48682284), (6, 40568570), (7, 34773060), (10, 24341142), (12, 20284285), (14, 17386530), (15, 16227428), (20, 12170571), (21, 11591020), (28, 8693265), (30, 8113714), (35, 6954612), (42, 5795510), (49, 4967580), (60, 4056857), (70, 3477306), (84, 2897755), (98, 2483790), (105, 2318204), (140, 1738653), (147, 1655860), (196, 1241895), (210, 1159102), (245, 993516), (294, 827930), (420, 579551), (490, 496758), (588, 413965), (735, 331172), (980, 248379), (1470, 165586), (2940, 82793)]