219345710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 426995712

約数和(自身を除く): 207650002

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 103, 115, 197, 206, 230, 235, 394, 470, 515, 985, 1030, 1081, 1970, 2162, 2369, 4531, 4738, 4841, 5405, 9062, 9259, 9682, 10810, 11845, 18518, 20291, 22655, 23690, 24205, 40582, 45310, 46295, 48410, 92590, 101455, 111343, 202910, 212957, 222686, 425914, 466693, 556715, 933386, 953677, 1064785, 1113430, 1907354, 2129570, 2333465, 4666930, 4768385, 9536770, 21934571, 43869142, 109672855, 219345710]

約数ペア:

[(1, 219345710), (2, 109672855), (5, 43869142), (10, 21934571), (23, 9536770), (46, 4768385), (47, 4666930), (94, 2333465), (103, 2129570), (115, 1907354), (197, 1113430), (206, 1064785), (230, 953677), (235, 933386), (394, 556715), (470, 466693), (515, 425914), (985, 222686), (1030, 212957), (1081, 202910), (1970, 111343), (2162, 101455), (2369, 92590), (4531, 48410), (4738, 46295), (4841, 45310), (5405, 40582), (9062, 24205), (9259, 23690), (9682, 22655), (10810, 20291), (11845, 18518)]