4029025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 7124544

約数和(自身を除く): 3095519

約数列:

[1, 5, 7, 11, 13, 23, 25, 35, 49, 55, 65, 77, 91, 115, 143, 161, 175, 245, 253, 275, 299, 325, 385, 455, 539, 575, 637, 715, 805, 1001, 1127, 1225, 1265, 1495, 1771, 1925, 2093, 2275, 2695, 3185, 3289, 3575, 4025, 5005, 5635, 6325, 7007, 7475, 8855, 10465, 12397, 13475, 14651, 15925, 16445, 23023, 25025, 28175, 35035, 44275, 52325, 61985, 73255, 82225, 115115, 161161, 175175, 309925, 366275, 575575, 805805, 4029025]

約数ペア:

[(1, 4029025), (5, 805805), (7, 575575), (11, 366275), (13, 309925), (23, 175175), (25, 161161), (35, 115115), (49, 82225), (55, 73255), (65, 61985), (77, 52325), (91, 44275), (115, 35035), (143, 28175), (161, 25025), (175, 23023), (245, 16445), (253, 15925), (275, 14651), (299, 13475), (325, 12397), (385, 10465), (455, 8855), (539, 7475), (575, 7007), (637, 6325), (715, 5635), (805, 5005), (1001, 4025), (1127, 3575), (1225, 3289), (1265, 3185), (1495, 2695), (1771, 2275), (1925, 2093)]