194510720

素因数分解:

$2^7\times 5^1\times {\mathrm{313}}^1\times {\mathrm{971}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 466968240

約数和(自身を除く): 272457520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 313, 320, 626, 640, 971, 1252, 1565, 1942, 2504, 3130, 3884, 4855, 5008, 6260, 7768, 9710, 10016, 12520, 15536, 19420, 20032, 25040, 31072, 38840, 40064, 50080, 62144, 77680, 100160, 124288, 155360, 200320, 303923, 310720, 607846, 621440, 1215692, 1519615, 2431384, 3039230, 4862768, 6078460, 9725536, 12156920, 19451072, 24313840, 38902144, 48627680, 97255360, 194510720]

約数ペア:

[(1, 194510720), (2, 97255360), (4, 48627680), (5, 38902144), (8, 24313840), (10, 19451072), (16, 12156920), (20, 9725536), (32, 6078460), (40, 4862768), (64, 3039230), (80, 2431384), (128, 1519615), (160, 1215692), (313, 621440), (320, 607846), (626, 310720), (640, 303923), (971, 200320), (1252, 155360), (1565, 124288), (1942, 100160), (2504, 77680), (3130, 62144), (3884, 50080), (4855, 40064), (5008, 38840), (6260, 31072), (7768, 25040), (9710, 20032), (10016, 19420), (12520, 15536)]