1403850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{191}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 4071168

約数和(自身を除く): 2667318

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 191, 210, 245, 294, 350, 382, 490, 525, 573, 735, 955, 1050, 1146, 1225, 1337, 1470, 1910, 2450, 2674, 2865, 3675, 4011, 4775, 5730, 6685, 7350, 8022, 9359, 9550, 13370, 14325, 18718, 20055, 28077, 28650, 33425, 40110, 46795, 56154, 66850, 93590, 100275, 140385, 200550, 233975, 280770, 467950, 701925, 1403850]

約数ペア:

[(1, 1403850), (2, 701925), (3, 467950), (5, 280770), (6, 233975), (7, 200550), (10, 140385), (14, 100275), (15, 93590), (21, 66850), (25, 56154), (30, 46795), (35, 40110), (42, 33425), (49, 28650), (50, 28077), (70, 20055), (75, 18718), (98, 14325), (105, 13370), (147, 9550), (150, 9359), (175, 8022), (191, 7350), (210, 6685), (245, 5730), (294, 4775), (350, 4011), (382, 3675), (490, 2865), (525, 2674), (573, 2450), (735, 1910), (955, 1470), (1050, 1337), (1146, 1225)]