28913700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3157

約数の個数: 72

約数和(自身を含む): 86383360

約数和(自身を除く): 57469660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 3100, 3109, 4650, 6218, 9300, 9327, 12436, 15545, 18654, 31090, 37308, 46635, 62180, 77725, 93270, 96379, 155450, 186540, 192758, 233175, 289137, 310900, 385516, 466350, 481895, 578274, 932700, 963790, 1156548, 1445685, 1927580, 2409475, 2891370, 4818950, 5782740, 7228425, 9637900, 14456850, 28913700]

約数ペア:

[(1, 28913700), (2, 14456850), (3, 9637900), (4, 7228425), (5, 5782740), (6, 4818950), (10, 2891370), (12, 2409475), (15, 1927580), (20, 1445685), (25, 1156548), (30, 963790), (31, 932700), (50, 578274), (60, 481895), (62, 466350), (75, 385516), (93, 310900), (100, 289137), (124, 233175), (150, 192758), (155, 186540), (186, 155450), (300, 96379), (310, 93270), (372, 77725), (465, 62180), (620, 46635), (775, 37308), (930, 31090), (1550, 18654), (1860, 15545), (2325, 12436), (3100, 9327), (3109, 9300), (4650, 6218)]