28460575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 15286625

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 419, 475, 715, 1045, 1235, 2095, 2717, 3575, 4609, 5225, 5447, 6175, 7961, 10475, 13585, 23045, 27235, 39805, 59917, 67925, 87571, 103493, 115225, 136175, 199025, 299585, 437855, 517465, 1138423, 1497925, 2189275, 2587325, 5692115, 28460575]

約数ペア:

[(1, 28460575), (5, 5692115), (11, 2587325), (13, 2189275), (19, 1497925), (25, 1138423), (55, 517465), (65, 437855), (95, 299585), (143, 199025), (209, 136175), (247, 115225), (275, 103493), (325, 87571), (419, 67925), (475, 59917), (715, 39805), (1045, 27235), (1235, 23045), (2095, 13585), (2717, 10475), (3575, 7961), (4609, 6175), (5225, 5447)]