1720254.00000000

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2027}}^1$

素因数の和:2107

約数の個数: 64

約数和(自身を含む): 220776192

約数和(自身を除く): 123013982

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 182, 265, 371, 455, 530, 689, 742, 910, 1378, 1855, 2027, 3445, 3710, 4054, 4823, 6890, 9646, 10135, 14189, 20270, 24115, 26351, 28378, 48230, 52702, 70945, 107431, 131755, 141890, 184457, 214862, 263510, 368914, 537155, 752017, 922285, 1074310, 1396603, 1504034, 1844570, 2793206, 3760085, 6983015, 7520170, 9776221, 13966030, 19552442, 48881105, 97762210]

約数ペア:

[(1, 97762210), (2, 48881105), (5, 19552442), (7, 13966030), (10, 9776221), (13, 7520170), (14, 6983015), (26, 3760085), (35, 2793206), (53, 1844570), (65, 1504034), (70, 1396603), (91, 1074310), (106, 922285), (130, 752017), (182, 537155), (265, 368914), (371, 263510), (455, 214862), (530, 184457), (689, 141890), (742, 131755), (910, 107431), (1378, 70945), (1855, 52702), (2027, 48230), (3445, 28378), (3710, 26351), (4054, 24115), (4823, 20270), (6890, 14189), (9646, 10135)]