213314560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:769

約数の個数: 88

約数和(自身を含む): 520855056

約数和(自身を除く): 307540496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 683, 976, 1024, 1220, 1280, 1366, 1952, 2440, 2560, 2732, 3415, 3904, 4880, 5120, 5464, 6830, 7808, 9760, 10928, 13660, 15616, 19520, 21856, 27320, 31232, 39040, 41663, 43712, 54640, 62464, 78080, 83326, 87424, 109280, 156160, 166652, 174848, 208315, 218560, 312320, 333304, 349696, 416630, 437120, 666608, 699392, 833260, 874240, 1333216, 1666520, 1748480, 2666432, 3333040, 3496960, 5332864, 6666080, 10665728, 13332160, 21331456, 26664320, 42662912, 53328640, 106657280, 213314560]

約数ペア:

[(1, 213314560), (2, 106657280), (4, 53328640), (5, 42662912), (8, 26664320), (10, 21331456), (16, 13332160), (20, 10665728), (32, 6666080), (40, 5332864), (61, 3496960), (64, 3333040), (80, 2666432), (122, 1748480), (128, 1666520), (160, 1333216), (244, 874240), (256, 833260), (305, 699392), (320, 666608), (488, 437120), (512, 416630), (610, 349696), (640, 333304), (683, 312320), (976, 218560), (1024, 208315), (1220, 174848), (1280, 166652), (1366, 156160), (1952, 109280), (2440, 87424), (2560, 83326), (2732, 78080), (3415, 62464), (3904, 54640), (4880, 43712), (5120, 41663), (5464, 39040), (6830, 31232), (7808, 27320), (9760, 21856), (10928, 19520), (13660, 15616)]