284279940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{225619}}^1$

素因数の和:225641

約数の個数: 72

約数和(自身を含む): 985508160

約数和(自身を除く): 701228220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 225619, 451238, 676857, 902476, 1128095, 1353714, 1579333, 2030571, 2256190, 2707428, 3158666, 3384285, 4061142, 4512380, 4737999, 6317332, 6768570, 7896665, 8122284, 9475998, 10152855, 13537140, 14213997, 15793330, 18951996, 20305710, 23689995, 28427994, 31586660, 40611420, 47379990, 56855988, 71069985, 94759980, 142139970, 284279940]

約数ペア:

[(1, 284279940), (2, 142139970), (3, 94759980), (4, 71069985), (5, 56855988), (6, 47379990), (7, 40611420), (9, 31586660), (10, 28427994), (12, 23689995), (14, 20305710), (15, 18951996), (18, 15793330), (20, 14213997), (21, 13537140), (28, 10152855), (30, 9475998), (35, 8122284), (36, 7896665), (42, 6768570), (45, 6317332), (60, 4737999), (63, 4512380), (70, 4061142), (84, 3384285), (90, 3158666), (105, 2707428), (126, 2256190), (140, 2030571), (180, 1579333), (210, 1353714), (252, 1128095), (315, 902476), (420, 676857), (630, 451238), (1260, 225619)]