217234920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258613}}^1$

素因数の和:258634

約数の個数: 64

約数和(自身を含む): 744808320

約数和(自身を除く): 527573400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 258613, 517226, 775839, 1034452, 1293065, 1551678, 1810291, 2068904, 2586130, 3103356, 3620582, 3879195, 5172260, 5430873, 6206712, 7241164, 7758390, 9051455, 10344520, 10861746, 14482328, 15516780, 18102910, 21723492, 27154365, 31033560, 36205820, 43446984, 54308730, 72411640, 108617460, 217234920]

約数ペア:

[(1, 217234920), (2, 108617460), (3, 72411640), (4, 54308730), (5, 43446984), (6, 36205820), (7, 31033560), (8, 27154365), (10, 21723492), (12, 18102910), (14, 15516780), (15, 14482328), (20, 10861746), (21, 10344520), (24, 9051455), (28, 7758390), (30, 7241164), (35, 6206712), (40, 5430873), (42, 5172260), (56, 3879195), (60, 3620582), (70, 3103356), (84, 2586130), (105, 2068904), (120, 1810291), (140, 1551678), (168, 1293065), (210, 1034452), (280, 775839), (420, 517226), (840, 258613)]