417900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{199}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 1388800

約数和(自身を除く): 970900

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, 199, 210, 300, 350, 398, 420, 525, 597, 700, 796, 995, 1050, 1194, 1393, 1990, 2100, 2388, 2786, 2985, 3980, 4179, 4975, 5572, 5970, 6965, 8358, 9950, 11940, 13930, 14925, 16716, 19900, 20895, 27860, 29850, 34825, 41790, 59700, 69650, 83580, 104475, 139300, 208950, 417900]

約数ペア:

[(1, 417900), (2, 208950), (3, 139300), (4, 104475), (5, 83580), (6, 69650), (7, 59700), (10, 41790), (12, 34825), (14, 29850), (15, 27860), (20, 20895), (21, 19900), (25, 16716), (28, 14925), (30, 13930), (35, 11940), (42, 9950), (50, 8358), (60, 6965), (70, 5970), (75, 5572), (84, 4975), (100, 4179), (105, 3980), (140, 2985), (150, 2786), (175, 2388), (199, 2100), (210, 1990), (300, 1393), (350, 1194), (398, 1050), (420, 995), (525, 796), (597, 700)]