123719925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 250777600

約数和(自身を除く): 127057675

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 79, 95, 105, 133, 157, 175, 237, 285, 395, 399, 471, 475, 525, 553, 665, 785, 1099, 1185, 1425, 1501, 1659, 1975, 1995, 2355, 2765, 2983, 3297, 3325, 3925, 4503, 5495, 5925, 7505, 8295, 8949, 9975, 10507, 11775, 12403, 13825, 14915, 16485, 20881, 22515, 27475, 31521, 37209, 37525, 41475, 44745, 52535, 62015, 62643, 74575, 82425, 86821, 104405, 112575, 157605, 186045, 223725, 235657, 260463, 262675, 310075, 313215, 434105, 522025, 706971, 788025, 930225, 1178285, 1302315, 1566075, 1649599, 2170525, 3534855, 4948797, 5891425, 6511575, 8247995, 17674275, 24743985, 41239975, 123719925]

約数ペア:

[(1, 123719925), (3, 41239975), (5, 24743985), (7, 17674275), (15, 8247995), (19, 6511575), (21, 5891425), (25, 4948797), (35, 3534855), (57, 2170525), (75, 1649599), (79, 1566075), (95, 1302315), (105, 1178285), (133, 930225), (157, 788025), (175, 706971), (237, 522025), (285, 434105), (395, 313215), (399, 310075), (471, 262675), (475, 260463), (525, 235657), (553, 223725), (665, 186045), (785, 157605), (1099, 112575), (1185, 104405), (1425, 86821), (1501, 82425), (1659, 74575), (1975, 62643), (1995, 62015), (2355, 52535), (2765, 44745), (2983, 41475), (3297, 37525), (3325, 37209), (3925, 31521), (4503, 27475), (5495, 22515), (5925, 20881), (7505, 16485), (8295, 14915), (8949, 13825), (9975, 12403), (10507, 11775)]