245487450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 682643808

約数和(自身を除く): 437156358

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 131, 150, 155, 186, 195, 262, 310, 325, 390, 393, 403, 465, 650, 655, 775, 786, 806, 930, 961, 975, 1209, 1310, 1550, 1703, 1922, 1950, 1965, 2015, 2325, 2418, 2883, 3275, 3406, 3930, 4030, 4061, 4650, 4805, 5109, 5766, 6045, 6550, 8122, 8515, 9610, 9825, 10075, 10218, 12090, 12183, 12493, 14415, 17030, 19650, 20150, 20305, 24025, 24366, 24986, 25545, 28830, 30225, 37479, 40610, 42575, 48050, 51090, 52793, 60450, 60915, 62465, 72075, 74958, 85150, 101525, 105586, 121830, 124930, 125891, 127725, 144150, 158379, 187395, 203050, 251782, 255450, 263965, 304575, 312325, 316758, 374790, 377673, 527930, 609150, 624650, 629455, 755346, 791895, 936975, 1258910, 1319825, 1583790, 1636583, 1873950, 1888365, 2639650, 3147275, 3273166, 3776730, 3959475, 4909749, 6294550, 7918950, 8182915, 9441825, 9819498, 16365830, 18883650, 24548745, 40914575, 49097490, 81829150, 122743725, 245487450]

約数ペア:

[(1, 245487450), (2, 122743725), (3, 81829150), (5, 49097490), (6, 40914575), (10, 24548745), (13, 18883650), (15, 16365830), (25, 9819498), (26, 9441825), (30, 8182915), (31, 7918950), (39, 6294550), (50, 4909749), (62, 3959475), (65, 3776730), (75, 3273166), (78, 3147275), (93, 2639650), (130, 1888365), (131, 1873950), (150, 1636583), (155, 1583790), (186, 1319825), (195, 1258910), (262, 936975), (310, 791895), (325, 755346), (390, 629455), (393, 624650), (403, 609150), (465, 527930), (650, 377673), (655, 374790), (775, 316758), (786, 312325), (806, 304575), (930, 263965), (961, 255450), (975, 251782), (1209, 203050), (1310, 187395), (1550, 158379), (1703, 144150), (1922, 127725), (1950, 125891), (1965, 124930), (2015, 121830), (2325, 105586), (2418, 101525), (2883, 85150), (3275, 74958), (3406, 72075), (3930, 62465), (4030, 60915), (4061, 60450), (4650, 52793), (4805, 51090), (5109, 48050), (5766, 42575), (6045, 40610), (6550, 37479), (8122, 30225), (8515, 28830), (9610, 25545), (9825, 24986), (10075, 24366), (10218, 24025), (12090, 20305), (12183, 20150), (12493, 19650), (14415, 17030)]