489447804970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1\times {\mathrm{12893}}^1$

素因数の和:13951

約数の個数: 64

約数和(自身を含む): 917079045120

約数和(自身を除く): 427631240150

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 881, 1390, 1762, 4309, 4405, 8618, 8810, 12893, 21545, 25786, 27311, 43090, 54622, 64465, 122459, 128930, 136555, 244918, 273110, 399683, 612295, 799366, 1224590, 1792127, 1998415, 3584254, 3796229, 3996830, 7592458, 8960635, 11358733, 17921270, 18981145, 22717466, 37962290, 55555937, 56793665, 111111874, 113587330, 277779685, 352120723, 555559370, 704241446, 1578863887, 1760603615, 3157727774, 3521207230, 7894319435, 15788638870, 48944780497, 97889560994, 244723902485, 489447804970]

約数ペア:

[(1, 489447804970), (2, 244723902485), (5, 97889560994), (10, 48944780497), (31, 15788638870), (62, 7894319435), (139, 3521207230), (155, 3157727774), (278, 1760603615), (310, 1578863887), (695, 704241446), (881, 555559370), (1390, 352120723), (1762, 277779685), (4309, 113587330), (4405, 111111874), (8618, 56793665), (8810, 55555937), (12893, 37962290), (21545, 22717466), (25786, 18981145), (27311, 17921270), (43090, 11358733), (54622, 8960635), (64465, 7592458), (122459, 3996830), (128930, 3796229), (136555, 3584254), (244918, 1998415), (273110, 1792127), (399683, 1224590), (612295, 799366)]