28977483775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1\times {\mathrm{1559}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 38301120000

約数和(自身を除く): 9323636225

約数列:

[1, 5, 19, 25, 95, 109, 359, 475, 545, 1559, 1795, 2071, 2725, 6821, 7795, 8975, 10355, 29621, 34105, 38975, 39131, 51775, 148105, 169931, 170525, 195655, 559681, 740525, 743489, 849655, 978275, 2798405, 3228689, 3717445, 4248275, 10633939, 13992025, 16143445, 18587225, 53169695, 61005229, 80717225, 265848475, 305026145, 1159099351, 1525130725, 5795496755, 28977483775]

約数ペア:

[(1, 28977483775), (5, 5795496755), (19, 1525130725), (25, 1159099351), (95, 305026145), (109, 265848475), (359, 80717225), (475, 61005229), (545, 53169695), (1559, 18587225), (1795, 16143445), (2071, 13992025), (2725, 10633939), (6821, 4248275), (7795, 3717445), (8975, 3228689), (10355, 2798405), (29621, 978275), (34105, 849655), (38975, 743489), (39131, 740525), (51775, 559681), (148105, 195655), (169931, 170525)]