221253900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{105359}}^1$

素因数の和:105383

約数の個数: 72

約数和(自身を含む): 731619840

約数和(自身を除く): 510365940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 105359, 210718, 316077, 421436, 526795, 632154, 737513, 1053590, 1264308, 1475026, 1580385, 2107180, 2212539, 2633975, 2950052, 3160770, 3687565, 4425078, 5267950, 6321540, 7375130, 7901925, 8850156, 10535900, 11062695, 14750260, 15803850, 18437825, 22125390, 31607700, 36875650, 44250780, 55313475, 73751300, 110626950, 221253900]

約数ペア:

[(1, 221253900), (2, 110626950), (3, 73751300), (4, 55313475), (5, 44250780), (6, 36875650), (7, 31607700), (10, 22125390), (12, 18437825), (14, 15803850), (15, 14750260), (20, 11062695), (21, 10535900), (25, 8850156), (28, 7901925), (30, 7375130), (35, 6321540), (42, 5267950), (50, 4425078), (60, 3687565), (70, 3160770), (75, 2950052), (84, 2633975), (100, 2212539), (105, 2107180), (140, 1580385), (150, 1475026), (175, 1264308), (210, 1053590), (300, 737513), (350, 632154), (420, 526795), (525, 421436), (700, 316077), (1050, 210718), (2100, 105359)]