30805775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 51330048

約数和(自身を除く): 20524273

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1231, 1925, 2275, 3575, 5005, 6155, 8617, 13541, 16003, 25025, 30775, 43085, 67705, 80015, 94787, 112021, 176033, 215425, 338525, 400075, 473935, 560105, 880165, 1232231, 2369675, 2800525, 4400825, 6161155, 30805775]

約数ペア:

[(1, 30805775), (5, 6161155), (7, 4400825), (11, 2800525), (13, 2369675), (25, 1232231), (35, 880165), (55, 560105), (65, 473935), (77, 400075), (91, 338525), (143, 215425), (175, 176033), (275, 112021), (325, 94787), (385, 80015), (455, 67705), (715, 43085), (1001, 30775), (1231, 25025), (1925, 16003), (2275, 13541), (3575, 8617), (5005, 6155)]