678281000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1300

約数の個数: 128

約数和(自身を含む): 1729728000

約数和(自身を除く): 1051447000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 29, 38, 40, 50, 58, 76, 95, 100, 116, 125, 145, 152, 190, 200, 232, 250, 290, 380, 475, 500, 551, 580, 725, 760, 950, 1000, 1102, 1160, 1231, 1450, 1900, 2204, 2375, 2462, 2755, 2900, 3625, 3800, 4408, 4750, 4924, 5510, 5800, 6155, 7250, 9500, 9848, 11020, 12310, 13775, 14500, 19000, 22040, 23389, 24620, 27550, 29000, 30775, 35699, 46778, 49240, 55100, 61550, 68875, 71398, 93556, 110200, 116945, 123100, 137750, 142796, 153875, 178495, 187112, 233890, 246200, 275500, 285592, 307750, 356990, 467780, 551000, 584725, 615500, 678281, 713980, 892475, 935560, 1169450, 1231000, 1356562, 1427960, 1784950, 2338900, 2713124, 2923625, 3391405, 3569900, 4462375, 4677800, 5426248, 5847250, 6782810, 7139800, 8924750, 11694500, 13565620, 16957025, 17849500, 23389000, 27131240, 33914050, 35699000, 67828100, 84785125, 135656200, 169570250, 339140500, 678281000]

約数ペア:

[(1, 678281000), (2, 339140500), (4, 169570250), (5, 135656200), (8, 84785125), (10, 67828100), (19, 35699000), (20, 33914050), (25, 27131240), (29, 23389000), (38, 17849500), (40, 16957025), (50, 13565620), (58, 11694500), (76, 8924750), (95, 7139800), (100, 6782810), (116, 5847250), (125, 5426248), (145, 4677800), (152, 4462375), (190, 3569900), (200, 3391405), (232, 2923625), (250, 2713124), (290, 2338900), (380, 1784950), (475, 1427960), (500, 1356562), (551, 1231000), (580, 1169450), (725, 935560), (760, 892475), (950, 713980), (1000, 678281), (1102, 615500), (1160, 584725), (1231, 551000), (1450, 467780), (1900, 356990), (2204, 307750), (2375, 285592), (2462, 275500), (2755, 246200), (2900, 233890), (3625, 187112), (3800, 178495), (4408, 153875), (4750, 142796), (4924, 137750), (5510, 123100), (5800, 116945), (6155, 110200), (7250, 93556), (9500, 71398), (9848, 68875), (11020, 61550), (12310, 55100), (13775, 49240), (14500, 46778), (19000, 35699), (22040, 30775), (23389, 29000), (24620, 27550)]