244639640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9817}}^1$

素因数の和:9924

約数の個数: 64

約数和(自身を含む): 636206400

約数和(自身を除く): 391566760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 9817, 12460, 19634, 24920, 39268, 49085, 68719, 78536, 98170, 137438, 196340, 274876, 343595, 392680, 549752, 687190, 873713, 1374380, 1747426, 2748760, 3494852, 4368565, 6115991, 6989704, 8737130, 12231982, 17474260, 24463964, 30579955, 34948520, 48927928, 61159910, 122319820, 244639640]

約数ペア:

[(1, 244639640), (2, 122319820), (4, 61159910), (5, 48927928), (7, 34948520), (8, 30579955), (10, 24463964), (14, 17474260), (20, 12231982), (28, 8737130), (35, 6989704), (40, 6115991), (56, 4368565), (70, 3494852), (89, 2748760), (140, 1747426), (178, 1374380), (280, 873713), (356, 687190), (445, 549752), (623, 392680), (712, 343595), (890, 274876), (1246, 196340), (1780, 137438), (2492, 98170), (3115, 78536), (3560, 68719), (4984, 49085), (6230, 39268), (9817, 24920), (12460, 19634)]