253409940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{201119}}^1$

素因数の和:201141

約数の個数: 72

約数和(自身を含む): 878492160

約数和(自身を除く): 625082220

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, 201119, 402238, 603357, 804476, 1005595, 1206714, 1407833, 1810071, 2011190, 2413428, 2815666, 3016785, 3620142, 4022380, 4223499, 5631332, 6033570, 7039165, 7240284, 8446998, 9050355, 12067140, 12670497, 14078330, 16893996, 18100710, 21117495, 25340994, 28156660, 36201420, 42234990, 50681988, 63352485, 84469980, 126704970, 253409940]

約数ペア:

[(1, 253409940), (2, 126704970), (3, 84469980), (4, 63352485), (5, 50681988), (6, 42234990), (7, 36201420), (9, 28156660), (10, 25340994), (12, 21117495), (14, 18100710), (15, 16893996), (18, 14078330), (20, 12670497), (21, 12067140), (28, 9050355), (30, 8446998), (35, 7240284), (36, 7039165), (42, 6033570), (45, 5631332), (60, 4223499), (63, 4022380), (70, 3620142), (84, 3016785), (90, 2815666), (105, 2413428), (126, 2011190), (140, 1810071), (180, 1407833), (210, 1206714), (252, 1005595), (315, 804476), (420, 603357), (630, 402238), (1260, 201119)]