402489280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{307}}^1$

素因数の和:582

約数の個数: 112

約数和(自身を含む): 1022335776

約数和(自身を除く): 619846496

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 241, 272, 307, 320, 340, 482, 544, 614, 680, 964, 1088, 1205, 1228, 1360, 1535, 1928, 2410, 2456, 2720, 3070, 3856, 4097, 4820, 4912, 5219, 5440, 6140, 7712, 8194, 9640, 9824, 10438, 12280, 15424, 16388, 19280, 19648, 20485, 20876, 24560, 26095, 32776, 38560, 40970, 41752, 49120, 52190, 65552, 73987, 77120, 81940, 83504, 98240, 104380, 131104, 147974, 163880, 167008, 208760, 262208, 295948, 327760, 334016, 369935, 417520, 591896, 655520, 739870, 835040, 1183792, 1257779, 1311040, 1479740, 1670080, 2367584, 2515558, 2959480, 4735168, 5031116, 5918960, 6288895, 10062232, 11837920, 12577790, 20124464, 23675840, 25155580, 40248928, 50311160, 80497856, 100622320, 201244640, 402489280]

約数ペア:

[(1, 402489280), (2, 201244640), (4, 100622320), (5, 80497856), (8, 50311160), (10, 40248928), (16, 25155580), (17, 23675840), (20, 20124464), (32, 12577790), (34, 11837920), (40, 10062232), (64, 6288895), (68, 5918960), (80, 5031116), (85, 4735168), (136, 2959480), (160, 2515558), (170, 2367584), (241, 1670080), (272, 1479740), (307, 1311040), (320, 1257779), (340, 1183792), (482, 835040), (544, 739870), (614, 655520), (680, 591896), (964, 417520), (1088, 369935), (1205, 334016), (1228, 327760), (1360, 295948), (1535, 262208), (1928, 208760), (2410, 167008), (2456, 163880), (2720, 147974), (3070, 131104), (3856, 104380), (4097, 98240), (4820, 83504), (4912, 81940), (5219, 77120), (5440, 73987), (6140, 65552), (7712, 52190), (8194, 49120), (9640, 41752), (9824, 40970), (10438, 38560), (12280, 32776), (15424, 26095), (16388, 24560), (19280, 20876), (19648, 20485)]