221441920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{49429}}^1$

素因数の和:49455

約数の個数: 64

約数和(自身を含む): 605023200

約数和(自身を除く): 383581280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 49429, 98858, 197716, 247145, 346003, 395432, 494290, 692006, 790864, 988580, 1384012, 1581728, 1730015, 1977160, 2768024, 3163456, 3460030, 3954320, 5536048, 6326912, 6920060, 7908640, 11072096, 13840120, 15817280, 22144192, 27680240, 31634560, 44288384, 55360480, 110720960, 221441920]

約数ペア:

[(1, 221441920), (2, 110720960), (4, 55360480), (5, 44288384), (7, 31634560), (8, 27680240), (10, 22144192), (14, 15817280), (16, 13840120), (20, 11072096), (28, 7908640), (32, 6920060), (35, 6326912), (40, 5536048), (56, 3954320), (64, 3460030), (70, 3163456), (80, 2768024), (112, 1977160), (128, 1730015), (140, 1581728), (160, 1384012), (224, 988580), (280, 790864), (320, 692006), (448, 494290), (560, 395432), (640, 346003), (896, 247145), (1120, 197716), (2240, 98858), (4480, 49429)]