51643550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 113356584

約数和(自身を除く): 61713034

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 107, 175, 197, 214, 245, 350, 394, 490, 535, 749, 985, 1070, 1225, 1379, 1498, 1970, 2450, 2675, 2758, 3745, 4925, 5243, 5350, 6895, 7490, 9653, 9850, 10486, 13790, 18725, 19306, 21079, 26215, 34475, 37450, 42158, 48265, 52430, 68950, 96530, 105395, 131075, 147553, 210790, 241325, 262150, 295106, 482650, 526975, 737765, 1032871, 1053950, 1475530, 2065742, 3688825, 5164355, 7377650, 10328710, 25821775, 51643550]

約数ペア:

[(1, 51643550), (2, 25821775), (5, 10328710), (7, 7377650), (10, 5164355), (14, 3688825), (25, 2065742), (35, 1475530), (49, 1053950), (50, 1032871), (70, 737765), (98, 526975), (107, 482650), (175, 295106), (197, 262150), (214, 241325), (245, 210790), (350, 147553), (394, 131075), (490, 105395), (535, 96530), (749, 68950), (985, 52430), (1070, 48265), (1225, 42158), (1379, 37450), (1498, 34475), (1970, 26215), (2450, 21079), (2675, 19306), (2758, 18725), (3745, 13790), (4925, 10486), (5243, 9850), (5350, 9653), (6895, 7490)]