201920450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2579

約数の個数: 48

約数和(自身を含む): 397581696

約数和(自身を除く): 195661246

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 71, 115, 142, 230, 355, 575, 710, 1150, 1633, 1775, 2473, 3266, 3550, 4946, 8165, 12365, 16330, 24730, 40825, 56879, 61825, 81650, 113758, 123650, 175583, 284395, 351166, 568790, 877915, 1421975, 1755830, 2843950, 4038409, 4389575, 8076818, 8779150, 20192045, 40384090, 100960225, 201920450]

約数ペア:

[(1, 201920450), (2, 100960225), (5, 40384090), (10, 20192045), (23, 8779150), (25, 8076818), (46, 4389575), (50, 4038409), (71, 2843950), (115, 1755830), (142, 1421975), (230, 877915), (355, 568790), (575, 351166), (710, 284395), (1150, 175583), (1633, 123650), (1775, 113758), (2473, 81650), (3266, 61825), (3550, 56879), (4946, 40825), (8165, 24730), (12365, 16330)]