1900302575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 2643937920

約数和(自身を除く): 743635345

約数列:

[1, 5, 19, 25, 29, 67, 71, 95, 145, 335, 355, 475, 551, 725, 841, 1273, 1349, 1675, 1775, 1943, 2059, 2755, 4205, 4757, 6365, 6745, 9715, 10295, 13775, 15979, 21025, 23785, 31825, 33725, 36917, 39121, 48575, 51475, 56347, 59711, 79895, 90383, 118925, 137953, 184585, 195605, 281735, 298555, 399475, 451915, 689765, 922925, 978025, 1070593, 1134509, 1408675, 1492775, 2259575, 2621107, 3448825, 4000637, 5352965, 5672545, 13105535, 20003185, 26764825, 28362725, 65527675, 76012103, 100015925, 380060515, 1900302575]

約数ペア:

[(1, 1900302575), (5, 380060515), (19, 100015925), (25, 76012103), (29, 65527675), (67, 28362725), (71, 26764825), (95, 20003185), (145, 13105535), (335, 5672545), (355, 5352965), (475, 4000637), (551, 3448825), (725, 2621107), (841, 2259575), (1273, 1492775), (1349, 1408675), (1675, 1134509), (1775, 1070593), (1943, 978025), (2059, 922925), (2755, 689765), (4205, 451915), (4757, 399475), (6365, 298555), (6745, 281735), (9715, 195605), (10295, 184585), (13775, 137953), (15979, 118925), (21025, 90383), (23785, 79895), (31825, 59711), (33725, 56347), (36917, 51475), (39121, 48575)]