207777769900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{786739}}^1$

素因数の和:786911

約数の個数: 72

約数和(自身を含む): 478023224000

約数和(自身を除く): 270245454100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 278, 380, 475, 556, 695, 950, 1390, 1900, 2641, 2780, 3475, 5282, 6950, 10564, 13205, 13900, 26410, 52820, 66025, 132050, 264100, 786739, 1573478, 3146956, 3933695, 7867390, 14948041, 15734780, 19668475, 29896082, 39336950, 59792164, 74740205, 78673900, 109356721, 149480410, 218713442, 298960820, 373701025, 437426884, 546783605, 747402050, 1093567210, 1494804100, 2077777699, 2187134420, 2733918025, 4155555398, 5467836050, 8311110796, 10388888495, 10935672100, 20777776990, 41555553980, 51944442475, 103888884950, 207777769900]

約数ペア:

[(1, 207777769900), (2, 103888884950), (4, 51944442475), (5, 41555553980), (10, 20777776990), (19, 10935672100), (20, 10388888495), (25, 8311110796), (38, 5467836050), (50, 4155555398), (76, 2733918025), (95, 2187134420), (100, 2077777699), (139, 1494804100), (190, 1093567210), (278, 747402050), (380, 546783605), (475, 437426884), (556, 373701025), (695, 298960820), (950, 218713442), (1390, 149480410), (1900, 109356721), (2641, 78673900), (2780, 74740205), (3475, 59792164), (5282, 39336950), (6950, 29896082), (10564, 19668475), (13205, 15734780), (13900, 14948041), (26410, 7867390), (52820, 3933695), (66025, 3146956), (132050, 1573478), (264100, 786739)]