259906400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:473

約数の個数: 144

約数和(自身を含む): 695361744

約数和(自身を除く): 435455344

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 67, 80, 100, 104, 130, 134, 160, 200, 208, 260, 268, 325, 335, 373, 400, 416, 520, 536, 650, 670, 746, 800, 871, 1040, 1072, 1300, 1340, 1492, 1675, 1742, 1865, 2080, 2144, 2600, 2680, 2984, 3350, 3484, 3730, 4355, 4849, 5200, 5360, 5968, 6700, 6968, 7460, 8710, 9325, 9698, 10400, 10720, 11936, 13400, 13936, 14920, 17420, 18650, 19396, 21775, 24245, 24991, 26800, 27872, 29840, 34840, 37300, 38792, 43550, 48490, 49982, 53600, 59680, 69680, 74600, 77584, 87100, 96980, 99964, 121225, 124955, 139360, 149200, 155168, 174200, 193960, 199928, 242450, 249910, 298400, 324883, 348400, 387920, 399856, 484900, 499820, 624775, 649766, 696800, 775840, 799712, 969800, 999640, 1249550, 1299532, 1624415, 1939600, 1999280, 2499100, 2599064, 3248830, 3879200, 3998560, 4998200, 5198128, 6497660, 8122075, 9996400, 10396256, 12995320, 16244150, 19992800, 25990640, 32488300, 51981280, 64976600, 129953200, 259906400]

約数ペア:

[(1, 259906400), (2, 129953200), (4, 64976600), (5, 51981280), (8, 32488300), (10, 25990640), (13, 19992800), (16, 16244150), (20, 12995320), (25, 10396256), (26, 9996400), (32, 8122075), (40, 6497660), (50, 5198128), (52, 4998200), (65, 3998560), (67, 3879200), (80, 3248830), (100, 2599064), (104, 2499100), (130, 1999280), (134, 1939600), (160, 1624415), (200, 1299532), (208, 1249550), (260, 999640), (268, 969800), (325, 799712), (335, 775840), (373, 696800), (400, 649766), (416, 624775), (520, 499820), (536, 484900), (650, 399856), (670, 387920), (746, 348400), (800, 324883), (871, 298400), (1040, 249910), (1072, 242450), (1300, 199928), (1340, 193960), (1492, 174200), (1675, 155168), (1742, 149200), (1865, 139360), (2080, 124955), (2144, 121225), (2600, 99964), (2680, 96980), (2984, 87100), (3350, 77584), (3484, 74600), (3730, 69680), (4355, 59680), (4849, 53600), (5200, 49982), (5360, 48490), (5968, 43550), (6700, 38792), (6968, 37300), (7460, 34840), (8710, 29840), (9325, 27872), (9698, 26800), (10400, 24991), (10720, 24245), (11936, 21775), (13400, 19396), (13936, 18650), (14920, 17420)]