30004975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 50795360

約数和(自身を除く): 20790385

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 109, 121, 143, 175, 275, 325, 385, 455, 545, 605, 715, 763, 847, 1001, 1199, 1417, 1573, 1925, 2275, 2725, 3025, 3575, 3815, 4235, 5005, 5995, 7085, 7865, 8393, 9919, 11011, 13189, 15587, 19075, 21175, 25025, 29975, 35425, 39325, 41965, 49595, 55055, 65945, 77935, 92323, 109109, 171457, 209825, 247975, 275275, 329725, 389675, 461615, 545545, 857285, 1200199, 2308075, 2727725, 4286425, 6000995, 30004975]

約数ペア:

[(1, 30004975), (5, 6000995), (7, 4286425), (11, 2727725), (13, 2308075), (25, 1200199), (35, 857285), (55, 545545), (65, 461615), (77, 389675), (91, 329725), (109, 275275), (121, 247975), (143, 209825), (175, 171457), (275, 109109), (325, 92323), (385, 77935), (455, 65945), (545, 55055), (605, 49595), (715, 41965), (763, 39325), (847, 35425), (1001, 29975), (1199, 25025), (1417, 21175), (1573, 19075), (1925, 15587), (2275, 13189), (2725, 11011), (3025, 9919), (3575, 8393), (3815, 7865), (4235, 7085), (5005, 5995)]