217375060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{16007}}^1$

素因数の和:16120

約数の個数: 48

約数和(自身を含む): 527111424

約数和(自身を除く): 309736364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 16007, 32014, 64028, 80035, 112049, 160070, 224098, 320140, 448196, 560245, 1120490, 1552679, 2240980, 3105358, 6210716, 7763395, 10868753, 15526790, 21737506, 31053580, 43475012, 54343765, 108687530, 217375060]

約数ペア:

[(1, 217375060), (2, 108687530), (4, 54343765), (5, 43475012), (7, 31053580), (10, 21737506), (14, 15526790), (20, 10868753), (28, 7763395), (35, 6210716), (70, 3105358), (97, 2240980), (140, 1552679), (194, 1120490), (388, 560245), (485, 448196), (679, 320140), (970, 224098), (1358, 160070), (1940, 112049), (2716, 80035), (3395, 64028), (6790, 32014), (13580, 16007)]