1520807750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:631

約数の個数: 128

約数和(自身を含む): 3576268800

約数和(自身を除く): 2055461050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 199, 250, 275, 350, 385, 397, 398, 550, 770, 794, 875, 995, 1375, 1393, 1750, 1925, 1985, 1990, 2189, 2750, 2779, 2786, 3850, 3970, 4367, 4378, 4975, 5558, 6965, 8734, 9625, 9925, 9950, 10945, 13895, 13930, 15323, 19250, 19850, 21835, 21890, 24875, 27790, 30569, 30646, 34825, 43670, 49625, 49750, 54725, 61138, 69475, 69650, 76615, 79003, 99250, 109175, 109450, 138950, 152845, 153230, 158006, 174125, 218350, 273625, 305690, 347375, 348250, 383075, 395015, 545875, 547250, 553021, 694750, 764225, 766150, 790030, 869033, 1091750, 1106042, 1528450, 1738066, 1915375, 1975075, 2765105, 3821125, 3830750, 3950150, 4345165, 5530210, 6083231, 7642250, 8690330, 9875375, 12166462, 13825525, 19750750, 21725825, 27651050, 30416155, 43451650, 60832310, 69127625, 108629125, 138255250, 152080775, 217258250, 304161550, 760403875, 1520807750]

約数ペア:

[(1, 1520807750), (2, 760403875), (5, 304161550), (7, 217258250), (10, 152080775), (11, 138255250), (14, 108629125), (22, 69127625), (25, 60832310), (35, 43451650), (50, 30416155), (55, 27651050), (70, 21725825), (77, 19750750), (110, 13825525), (125, 12166462), (154, 9875375), (175, 8690330), (199, 7642250), (250, 6083231), (275, 5530210), (350, 4345165), (385, 3950150), (397, 3830750), (398, 3821125), (550, 2765105), (770, 1975075), (794, 1915375), (875, 1738066), (995, 1528450), (1375, 1106042), (1393, 1091750), (1750, 869033), (1925, 790030), (1985, 766150), (1990, 764225), (2189, 694750), (2750, 553021), (2779, 547250), (2786, 545875), (3850, 395015), (3970, 383075), (4367, 348250), (4378, 347375), (4975, 305690), (5558, 273625), (6965, 218350), (8734, 174125), (9625, 158006), (9925, 153230), (9950, 152845), (10945, 138950), (13895, 109450), (13930, 109175), (15323, 99250), (19250, 79003), (19850, 76615), (21835, 69650), (21890, 69475), (24875, 61138), (27790, 54725), (30569, 49750), (30646, 49625), (34825, 43670)]