1215694000

素因数分解:

$2^4\times 5^3\times {\mathrm{139}}^1\times {\mathrm{4373}}^1$

素因数の和:4535

約数の個数: 80

約数和(自身を含む): 2961372960

約数和(自身を除く): 1745678960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 139, 200, 250, 278, 400, 500, 556, 695, 1000, 1112, 1390, 2000, 2224, 2780, 3475, 4373, 5560, 6950, 8746, 11120, 13900, 17375, 17492, 21865, 27800, 34750, 34984, 43730, 55600, 69500, 69968, 87460, 109325, 139000, 174920, 218650, 278000, 349840, 437300, 546625, 607847, 874600, 1093250, 1215694, 1749200, 2186500, 2431388, 3039235, 4373000, 4862776, 6078470, 8746000, 9725552, 12156940, 15196175, 24313880, 30392350, 48627760, 60784700, 75980875, 121569400, 151961750, 243138800, 303923500, 607847000, 1215694000]

約数ペア:

[(1, 1215694000), (2, 607847000), (4, 303923500), (5, 243138800), (8, 151961750), (10, 121569400), (16, 75980875), (20, 60784700), (25, 48627760), (40, 30392350), (50, 24313880), (80, 15196175), (100, 12156940), (125, 9725552), (139, 8746000), (200, 6078470), (250, 4862776), (278, 4373000), (400, 3039235), (500, 2431388), (556, 2186500), (695, 1749200), (1000, 1215694), (1112, 1093250), (1390, 874600), (2000, 607847), (2224, 546625), (2780, 437300), (3475, 349840), (4373, 278000), (5560, 218650), (6950, 174920), (8746, 139000), (11120, 109325), (13900, 87460), (17375, 69968), (17492, 69500), (21865, 55600), (27800, 43730), (34750, 34984)]