31009300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1481

約数の個数: 72

約数和(自身を含む): 79439360

約数和(自身を除く): 48430060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1429, 1550, 2170, 2858, 3100, 4340, 5425, 5716, 7145, 10003, 10850, 14290, 20006, 21700, 28580, 35725, 40012, 44299, 50015, 71450, 88598, 100030, 142900, 177196, 200060, 221495, 250075, 310093, 442990, 500150, 620186, 885980, 1000300, 1107475, 1240372, 1550465, 2214950, 3100930, 4429900, 6201860, 7752325, 15504650, 31009300]

約数ペア:

[(1, 31009300), (2, 15504650), (4, 7752325), (5, 6201860), (7, 4429900), (10, 3100930), (14, 2214950), (20, 1550465), (25, 1240372), (28, 1107475), (31, 1000300), (35, 885980), (50, 620186), (62, 500150), (70, 442990), (100, 310093), (124, 250075), (140, 221495), (155, 200060), (175, 177196), (217, 142900), (310, 100030), (350, 88598), (434, 71450), (620, 50015), (700, 44299), (775, 40012), (868, 35725), (1085, 28580), (1429, 21700), (1550, 20006), (2170, 14290), (2858, 10850), (3100, 10003), (4340, 7145), (5425, 5716)]