7986020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 20253240

約数和(自身を除く): 12267220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 281, 290, 406, 490, 562, 580, 812, 980, 1015, 1124, 1405, 1421, 1967, 2030, 2810, 2842, 3934, 4060, 5620, 5684, 7105, 7868, 8149, 9835, 13769, 14210, 16298, 19670, 27538, 28420, 32596, 39340, 40745, 55076, 57043, 68845, 81490, 114086, 137690, 162980, 228172, 275380, 285215, 399301, 570430, 798602, 1140860, 1597204, 1996505, 3993010, 7986020]

約数ペア:

[(1, 7986020), (2, 3993010), (4, 1996505), (5, 1597204), (7, 1140860), (10, 798602), (14, 570430), (20, 399301), (28, 285215), (29, 275380), (35, 228172), (49, 162980), (58, 137690), (70, 114086), (98, 81490), (116, 68845), (140, 57043), (145, 55076), (196, 40745), (203, 39340), (245, 32596), (281, 28420), (290, 27538), (406, 19670), (490, 16298), (562, 14210), (580, 13769), (812, 9835), (980, 8149), (1015, 7868), (1124, 7105), (1405, 5684), (1421, 5620), (1967, 4060), (2030, 3934), (2810, 2842)]