220073728

素因数分解:

$2^8\times 7^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 506519552

約数和(自身を除く): 286445824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 256, 448, 508, 889, 896, 967, 1016, 1778, 1792, 1934, 2032, 3556, 3868, 4064, 6769, 7112, 7736, 8128, 13538, 14224, 15472, 16256, 27076, 28448, 30944, 32512, 54152, 56896, 61888, 108304, 113792, 122809, 123776, 216608, 227584, 245618, 247552, 433216, 491236, 859663, 866432, 982472, 1719326, 1732864, 1964944, 3438652, 3929888, 6877304, 7859776, 13754608, 15719552, 27509216, 31439104, 55018432, 110036864, 220073728]

約数ペア:

[(1, 220073728), (2, 110036864), (4, 55018432), (7, 31439104), (8, 27509216), (14, 15719552), (16, 13754608), (28, 7859776), (32, 6877304), (56, 3929888), (64, 3438652), (112, 1964944), (127, 1732864), (128, 1719326), (224, 982472), (254, 866432), (256, 859663), (448, 491236), (508, 433216), (889, 247552), (896, 245618), (967, 227584), (1016, 216608), (1778, 123776), (1792, 122809), (1934, 113792), (2032, 108304), (3556, 61888), (3868, 56896), (4064, 54152), (6769, 32512), (7112, 30944), (7736, 28448), (8128, 27076), (13538, 16256), (14224, 15472)]