250001024

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^3\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 621465600

約数和(自身を除く): 371464576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 127, 128, 169, 182, 208, 224, 254, 338, 364, 416, 448, 508, 676, 728, 832, 889, 896, 1016, 1183, 1352, 1456, 1651, 1664, 1778, 2032, 2197, 2366, 2704, 2912, 3302, 3556, 4064, 4394, 4732, 5408, 5824, 6604, 7112, 8128, 8788, 9464, 10816, 11557, 11648, 13208, 14224, 15379, 16256, 17576, 18928, 21463, 21632, 23114, 26416, 28448, 30758, 35152, 37856, 42926, 46228, 52832, 56896, 61516, 70304, 75712, 85852, 92456, 105664, 113792, 123032, 140608, 150241, 151424, 171704, 184912, 211328, 246064, 279019, 281216, 300482, 343408, 369824, 492128, 558038, 600964, 686816, 739648, 984256, 1116076, 1201928, 1373632, 1479296, 1953133, 1968512, 2232152, 2403856, 2747264, 3906266, 4464304, 4807712, 7812532, 8928608, 9615424, 15625064, 17857216, 19230848, 31250128, 35714432, 62500256, 125000512, 250001024]

約数ペア:

[(1, 250001024), (2, 125000512), (4, 62500256), (7, 35714432), (8, 31250128), (13, 19230848), (14, 17857216), (16, 15625064), (26, 9615424), (28, 8928608), (32, 7812532), (52, 4807712), (56, 4464304), (64, 3906266), (91, 2747264), (104, 2403856), (112, 2232152), (127, 1968512), (128, 1953133), (169, 1479296), (182, 1373632), (208, 1201928), (224, 1116076), (254, 984256), (338, 739648), (364, 686816), (416, 600964), (448, 558038), (508, 492128), (676, 369824), (728, 343408), (832, 300482), (889, 281216), (896, 279019), (1016, 246064), (1183, 211328), (1352, 184912), (1456, 171704), (1651, 151424), (1664, 150241), (1778, 140608), (2032, 123032), (2197, 113792), (2366, 105664), (2704, 92456), (2912, 85852), (3302, 75712), (3556, 70304), (4064, 61516), (4394, 56896), (4732, 52832), (5408, 46228), (5824, 42926), (6604, 37856), (7112, 35152), (8128, 30758), (8788, 28448), (9464, 26416), (10816, 23114), (11557, 21632), (11648, 21463), (13208, 18928), (14224, 17576), (15379, 16256)]