256603732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 611331840

約数和(自身を除く): 354728108

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 37, 44, 46, 74, 77, 89, 92, 121, 148, 154, 161, 178, 242, 253, 259, 308, 322, 356, 407, 484, 506, 518, 623, 644, 814, 847, 851, 979, 1012, 1036, 1246, 1628, 1694, 1702, 1771, 1958, 2047, 2492, 2783, 2849, 3293, 3388, 3404, 3542, 3916, 4094, 4477, 5566, 5698, 5957, 6586, 6853, 7084, 8188, 8954, 9361, 10769, 11132, 11396, 11914, 13172, 13706, 14329, 17908, 18722, 19481, 21538, 22517, 23051, 23828, 27412, 28658, 31339, 36223, 37444, 38962, 43076, 45034, 46102, 57316, 62678, 65527, 72446, 75383, 75739, 77924, 90068, 92204, 102971, 125356, 131054, 144892, 150766, 151478, 157619, 205942, 247687, 253561, 262108, 301532, 302956, 315238, 398453, 411884, 495374, 507122, 530173, 630476, 720797, 796906, 833129, 990748, 1014244, 1060346, 1441594, 1593812, 1666258, 1733809, 2120692, 2789171, 2883188, 3332516, 3467618, 5578342, 5831903, 6935236, 9164419, 11156684, 11663806, 18328838, 23327612, 36657676, 64150933, 128301866, 256603732]

約数ペア:

[(1, 256603732), (2, 128301866), (4, 64150933), (7, 36657676), (11, 23327612), (14, 18328838), (22, 11663806), (23, 11156684), (28, 9164419), (37, 6935236), (44, 5831903), (46, 5578342), (74, 3467618), (77, 3332516), (89, 2883188), (92, 2789171), (121, 2120692), (148, 1733809), (154, 1666258), (161, 1593812), (178, 1441594), (242, 1060346), (253, 1014244), (259, 990748), (308, 833129), (322, 796906), (356, 720797), (407, 630476), (484, 530173), (506, 507122), (518, 495374), (623, 411884), (644, 398453), (814, 315238), (847, 302956), (851, 301532), (979, 262108), (1012, 253561), (1036, 247687), (1246, 205942), (1628, 157619), (1694, 151478), (1702, 150766), (1771, 144892), (1958, 131054), (2047, 125356), (2492, 102971), (2783, 92204), (2849, 90068), (3293, 77924), (3388, 75739), (3404, 75383), (3542, 72446), (3916, 65527), (4094, 62678), (4477, 57316), (5566, 46102), (5698, 45034), (5957, 43076), (6586, 38962), (6853, 37444), (7084, 36223), (8188, 31339), (8954, 28658), (9361, 27412), (10769, 23828), (11132, 23051), (11396, 22517), (11914, 21538), (13172, 19481), (13706, 18722), (14329, 17908)]