8727645700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 108

約数和(自身を含む): 19769376172

約数和(自身を除く): 11041730472

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 157, 290, 314, 580, 628, 661, 725, 785, 841, 1322, 1450, 1570, 1682, 2644, 2900, 3140, 3305, 3364, 3925, 4205, 4553, 6610, 7850, 8410, 9106, 13220, 15700, 16525, 16820, 18212, 19169, 21025, 22765, 33050, 38338, 42050, 45530, 66100, 76676, 84100, 91060, 95845, 103777, 113825, 132037, 191690, 207554, 227650, 264074, 383380, 415108, 455300, 479225, 518885, 528148, 555901, 660185, 958450, 1037770, 1111802, 1320370, 1916900, 2075540, 2223604, 2594425, 2640740, 2779505, 3009533, 3300925, 5188850, 5559010, 6019066, 6601850, 10377700, 11118020, 12038132, 13203700, 13897525, 15047665, 27795050, 30095330, 55590100, 60190660, 75238325, 87276457, 150476650, 174552914, 300953300, 349105828, 436382285, 872764570, 1745529140, 2181911425, 4363822850, 8727645700]

約数ペア:

[(1, 8727645700), (2, 4363822850), (4, 2181911425), (5, 1745529140), (10, 872764570), (20, 436382285), (25, 349105828), (29, 300953300), (50, 174552914), (58, 150476650), (100, 87276457), (116, 75238325), (145, 60190660), (157, 55590100), (290, 30095330), (314, 27795050), (580, 15047665), (628, 13897525), (661, 13203700), (725, 12038132), (785, 11118020), (841, 10377700), (1322, 6601850), (1450, 6019066), (1570, 5559010), (1682, 5188850), (2644, 3300925), (2900, 3009533), (3140, 2779505), (3305, 2640740), (3364, 2594425), (3925, 2223604), (4205, 2075540), (4553, 1916900), (6610, 1320370), (7850, 1111802), (8410, 1037770), (9106, 958450), (13220, 660185), (15700, 555901), (16525, 528148), (16820, 518885), (18212, 479225), (19169, 455300), (21025, 415108), (22765, 383380), (33050, 264074), (38338, 227650), (42050, 207554), (45530, 191690), (66100, 132037), (76676, 113825), (84100, 103777), (91060, 95845)]