380052255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 707678208

約数和(自身を除く): 327625953

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 157, 165, 187, 255, 471, 561, 785, 863, 935, 1727, 2355, 2589, 2669, 2805, 4315, 5181, 8007, 8635, 9493, 12945, 13345, 14671, 25905, 28479, 29359, 40035, 44013, 47465, 73355, 88077, 135491, 142395, 146795, 161381, 220065, 406473, 440385, 484143, 677455, 806905, 1490401, 2032365, 2303347, 2420715, 4471203, 6910041, 7452005, 11516735, 22356015, 25336817, 34550205, 76010451, 126684085, 380052255]

約数ペア:

[(1, 380052255), (3, 126684085), (5, 76010451), (11, 34550205), (15, 25336817), (17, 22356015), (33, 11516735), (51, 7452005), (55, 6910041), (85, 4471203), (157, 2420715), (165, 2303347), (187, 2032365), (255, 1490401), (471, 806905), (561, 677455), (785, 484143), (863, 440385), (935, 406473), (1727, 220065), (2355, 161381), (2589, 146795), (2669, 142395), (2805, 135491), (4315, 88077), (5181, 73355), (8007, 47465), (8635, 44013), (9493, 40035), (12945, 29359), (13345, 28479), (14671, 25905)]