1619800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 4687200

約数和(自身を除く): 3067400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 89, 91, 100, 104, 130, 140, 175, 178, 182, 200, 260, 280, 325, 350, 356, 364, 445, 455, 520, 623, 650, 700, 712, 728, 890, 910, 1157, 1246, 1300, 1400, 1780, 1820, 2225, 2275, 2314, 2492, 2600, 3115, 3560, 3640, 4450, 4550, 4628, 4984, 5785, 6230, 8099, 8900, 9100, 9256, 11570, 12460, 15575, 16198, 17800, 18200, 23140, 24920, 28925, 31150, 32396, 40495, 46280, 57850, 62300, 64792, 80990, 115700, 124600, 161980, 202475, 231400, 323960, 404950, 809900, 1619800]

約数ペア:

[(1, 1619800), (2, 809900), (4, 404950), (5, 323960), (7, 231400), (8, 202475), (10, 161980), (13, 124600), (14, 115700), (20, 80990), (25, 64792), (26, 62300), (28, 57850), (35, 46280), (40, 40495), (50, 32396), (52, 31150), (56, 28925), (65, 24920), (70, 23140), (89, 18200), (91, 17800), (100, 16198), (104, 15575), (130, 12460), (140, 11570), (175, 9256), (178, 9100), (182, 8900), (200, 8099), (260, 6230), (280, 5785), (325, 4984), (350, 4628), (356, 4550), (364, 4450), (445, 3640), (455, 3560), (520, 3115), (623, 2600), (650, 2492), (700, 2314), (712, 2275), (728, 2225), (890, 1820), (910, 1780), (1157, 1400), (1246, 1300)]