25815300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 144

約数和(自身を含む): 89994240

約数和(自身を除く): 64178940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 647, 665, 700, 798, 950, 1050, 1140, 1294, 1330, 1425, 1596, 1900, 1941, 1995, 2100, 2588, 2660, 2850, 3235, 3325, 3882, 3990, 4529, 5700, 6470, 6650, 7764, 7980, 9058, 9705, 9975, 12293, 12940, 13300, 13587, 16175, 18116, 19410, 19950, 22645, 24586, 27174, 32350, 36879, 38820, 39900, 45290, 48525, 49172, 54348, 61465, 64700, 67935, 73758, 86051, 90580, 97050, 113225, 122930, 135870, 147516, 172102, 184395, 194100, 226450, 245860, 258153, 271740, 307325, 339675, 344204, 368790, 430255, 452900, 516306, 614650, 679350, 737580, 860510, 921975, 1032612, 1229300, 1290765, 1358700, 1721020, 1843950, 2151275, 2581530, 3687900, 4302550, 5163060, 6453825, 8605100, 12907650, 25815300]

約数ペア:

[(1, 25815300), (2, 12907650), (3, 8605100), (4, 6453825), (5, 5163060), (6, 4302550), (7, 3687900), (10, 2581530), (12, 2151275), (14, 1843950), (15, 1721020), (19, 1358700), (20, 1290765), (21, 1229300), (25, 1032612), (28, 921975), (30, 860510), (35, 737580), (38, 679350), (42, 614650), (50, 516306), (57, 452900), (60, 430255), (70, 368790), (75, 344204), (76, 339675), (84, 307325), (95, 271740), (100, 258153), (105, 245860), (114, 226450), (133, 194100), (140, 184395), (150, 172102), (175, 147516), (190, 135870), (210, 122930), (228, 113225), (266, 97050), (285, 90580), (300, 86051), (350, 73758), (380, 67935), (399, 64700), (420, 61465), (475, 54348), (525, 49172), (532, 48525), (570, 45290), (647, 39900), (665, 38820), (700, 36879), (798, 32350), (950, 27174), (1050, 24586), (1140, 22645), (1294, 19950), (1330, 19410), (1425, 18116), (1596, 16175), (1900, 13587), (1941, 13300), (1995, 12940), (2100, 12293), (2588, 9975), (2660, 9705), (2850, 9058), (3235, 7980), (3325, 7764), (3882, 6650), (3990, 6470), (4529, 5700)]