215171.0000000

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 19269600

約数和(自身を除く): 11655700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 149, 175, 292, 298, 350, 365, 511, 596, 700, 730, 745, 1022, 1043, 1460, 1490, 1825, 2044, 2086, 2555, 2980, 3650, 3725, 4172, 5110, 5215, 7300, 7450, 10220, 10430, 10877, 12775, 14900, 20860, 21754, 25550, 26075, 43508, 51100, 52150, 54385, 76139, 104300, 108770, 152278, 217540, 271925, 304556, 380695, 543850, 761390, 1087700, 1522780, 1903475, 3806950, 7613900]

約数ペア:

[(1, 7613900), (2, 3806950), (4, 1903475), (5, 1522780), (7, 1087700), (10, 761390), (14, 543850), (20, 380695), (25, 304556), (28, 271925), (35, 217540), (50, 152278), (70, 108770), (73, 104300), (100, 76139), (140, 54385), (146, 52150), (149, 51100), (175, 43508), (292, 26075), (298, 25550), (350, 21754), (365, 20860), (511, 14900), (596, 12775), (700, 10877), (730, 10430), (745, 10220), (1022, 7450), (1043, 7300), (1460, 5215), (1490, 5110), (1825, 4172), (2044, 3725), (2086, 3650), (2555, 2980)]