211655440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8240

約数の個数: 80

約数和(自身を含む): 548536320

約数和(自身を除く): 336880880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 8191, 12920, 16382, 25840, 32764, 40955, 65528, 81910, 131056, 139247, 155629, 163820, 278494, 311258, 327640, 556988, 622516, 655280, 696235, 778145, 1113976, 1245032, 1392470, 1556290, 2227952, 2490064, 2645693, 2784940, 3112580, 5291386, 5569880, 6225160, 10582772, 11139760, 12450320, 13228465, 21165544, 26456930, 42331088, 52913860, 105827720, 211655440]

約数ペア:

[(1, 211655440), (2, 105827720), (4, 52913860), (5, 42331088), (8, 26456930), (10, 21165544), (16, 13228465), (17, 12450320), (19, 11139760), (20, 10582772), (34, 6225160), (38, 5569880), (40, 5291386), (68, 3112580), (76, 2784940), (80, 2645693), (85, 2490064), (95, 2227952), (136, 1556290), (152, 1392470), (170, 1245032), (190, 1113976), (272, 778145), (304, 696235), (323, 655280), (340, 622516), (380, 556988), (646, 327640), (680, 311258), (760, 278494), (1292, 163820), (1360, 155629), (1520, 139247), (1615, 131056), (2584, 81910), (3230, 65528), (5168, 40955), (6460, 32764), (8191, 25840), (12920, 16382)]