71142500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 183691200

約数和(自身を除く): 112548700

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 199, 220, 250, 260, 275, 286, 325, 398, 500, 550, 572, 625, 650, 715, 796, 995, 1100, 1250, 1300, 1375, 1430, 1625, 1990, 2189, 2500, 2587, 2750, 2860, 3250, 3575, 3980, 4378, 4975, 5174, 5500, 6500, 6875, 7150, 8125, 8756, 9950, 10348, 10945, 12935, 13750, 14300, 16250, 17875, 19900, 21890, 24875, 25870, 27500, 28457, 32500, 35750, 43780, 49750, 51740, 54725, 56914, 64675, 71500, 89375, 99500, 109450, 113828, 124375, 129350, 142285, 178750, 218900, 248750, 258700, 273625, 284570, 323375, 357500, 497500, 547250, 569140, 646750, 711425, 1094500, 1293500, 1368125, 1422850, 1616875, 2736250, 2845700, 3233750, 3557125, 5472500, 6467500, 7114250, 14228500, 17785625, 35571250, 71142500]

約数ペア:

[(1, 71142500), (2, 35571250), (4, 17785625), (5, 14228500), (10, 7114250), (11, 6467500), (13, 5472500), (20, 3557125), (22, 3233750), (25, 2845700), (26, 2736250), (44, 1616875), (50, 1422850), (52, 1368125), (55, 1293500), (65, 1094500), (100, 711425), (110, 646750), (125, 569140), (130, 547250), (143, 497500), (199, 357500), (220, 323375), (250, 284570), (260, 273625), (275, 258700), (286, 248750), (325, 218900), (398, 178750), (500, 142285), (550, 129350), (572, 124375), (625, 113828), (650, 109450), (715, 99500), (796, 89375), (995, 71500), (1100, 64675), (1250, 56914), (1300, 54725), (1375, 51740), (1430, 49750), (1625, 43780), (1990, 35750), (2189, 32500), (2500, 28457), (2587, 27500), (2750, 25870), (2860, 24875), (3250, 21890), (3575, 19900), (3980, 17875), (4378, 16250), (4975, 14300), (5174, 13750), (5500, 12935), (6500, 10945), (6875, 10348), (7150, 9950), (8125, 8756)]