307272380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{613}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 657284544

約数和(自身を除く): 350012164

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 353, 355, 613, 706, 710, 1226, 1412, 1420, 1765, 2452, 3065, 3530, 6130, 7060, 12260, 25063, 43523, 50126, 87046, 100252, 125315, 174092, 216389, 217615, 250630, 432778, 435230, 501260, 865556, 870460, 1081945, 2163890, 4327780, 15363619, 30727238, 61454476, 76818095, 153636190, 307272380]

約数ペア:

[(1, 307272380), (2, 153636190), (4, 76818095), (5, 61454476), (10, 30727238), (20, 15363619), (71, 4327780), (142, 2163890), (284, 1081945), (353, 870460), (355, 865556), (613, 501260), (706, 435230), (710, 432778), (1226, 250630), (1412, 217615), (1420, 216389), (1765, 174092), (2452, 125315), (3065, 100252), (3530, 87046), (6130, 50126), (7060, 43523), (12260, 25063)]