281814100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1709}}^1$

素因数の和:1837

約数の個数: 72

約数和(自身を含む): 654567480

約数和(自身を除く): 372753380

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 97, 100, 170, 194, 340, 388, 425, 485, 850, 970, 1649, 1700, 1709, 1940, 2425, 3298, 3418, 4850, 6596, 6836, 8245, 8545, 9700, 16490, 17090, 29053, 32980, 34180, 41225, 42725, 58106, 82450, 85450, 116212, 145265, 164900, 165773, 170900, 290530, 331546, 581060, 663092, 726325, 828865, 1452650, 1657730, 2818141, 2905300, 3315460, 4144325, 5636282, 8288650, 11272564, 14090705, 16577300, 28181410, 56362820, 70453525, 140907050, 281814100]

約数ペア:

[(1, 281814100), (2, 140907050), (4, 70453525), (5, 56362820), (10, 28181410), (17, 16577300), (20, 14090705), (25, 11272564), (34, 8288650), (50, 5636282), (68, 4144325), (85, 3315460), (97, 2905300), (100, 2818141), (170, 1657730), (194, 1452650), (340, 828865), (388, 726325), (425, 663092), (485, 581060), (850, 331546), (970, 290530), (1649, 170900), (1700, 165773), (1709, 164900), (1940, 145265), (2425, 116212), (3298, 85450), (3418, 82450), (4850, 58106), (6596, 42725), (6836, 41225), (8245, 34180), (8545, 32980), (9700, 29053), (16490, 17090)]