321290452

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 674045064

約数和(自身を除く): 352754612

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 157, 196, 197, 212, 314, 371, 394, 628, 742, 788, 1099, 1379, 1484, 2198, 2597, 2758, 4396, 5194, 5516, 7693, 8321, 9653, 10388, 10441, 15386, 16642, 19306, 20882, 30772, 30929, 33284, 38612, 41764, 58247, 61858, 73087, 116494, 123716, 146174, 216503, 232988, 292348, 407729, 433006, 511609, 815458, 866012, 1023218, 1515521, 1630916, 1639237, 2046436, 3031042, 3278474, 6062084, 6556948, 11474659, 22949318, 45898636, 80322613, 160645226, 321290452]

約数ペア:

[(1, 321290452), (2, 160645226), (4, 80322613), (7, 45898636), (14, 22949318), (28, 11474659), (49, 6556948), (53, 6062084), (98, 3278474), (106, 3031042), (157, 2046436), (196, 1639237), (197, 1630916), (212, 1515521), (314, 1023218), (371, 866012), (394, 815458), (628, 511609), (742, 433006), (788, 407729), (1099, 292348), (1379, 232988), (1484, 216503), (2198, 146174), (2597, 123716), (2758, 116494), (4396, 73087), (5194, 61858), (5516, 58247), (7693, 41764), (8321, 38612), (9653, 33284), (10388, 30929), (10441, 30772), (15386, 20882), (16642, 19306)]