208128420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12433}}^1$

素因数の和:12482

約数の個数: 96

約数和(自身を含む): 668451840

約数和(自身を除く): 460323420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 12433, 16740, 24866, 37299, 49732, 62165, 74598, 111897, 124330, 149196, 186495, 223794, 248660, 335691, 372990, 385423, 447588, 559485, 671382, 745980, 770846, 1118970, 1156269, 1342764, 1541692, 1678455, 1927115, 2237940, 2312538, 3356910, 3468807, 3854230, 4625076, 5781345, 6713820, 6937614, 7708460, 10406421, 11562690, 13875228, 17344035, 20812842, 23125380, 34688070, 41625684, 52032105, 69376140, 104064210, 208128420]

約数ペア:

[(1, 208128420), (2, 104064210), (3, 69376140), (4, 52032105), (5, 41625684), (6, 34688070), (9, 23125380), (10, 20812842), (12, 17344035), (15, 13875228), (18, 11562690), (20, 10406421), (27, 7708460), (30, 6937614), (31, 6713820), (36, 5781345), (45, 4625076), (54, 3854230), (60, 3468807), (62, 3356910), (90, 2312538), (93, 2237940), (108, 1927115), (124, 1678455), (135, 1541692), (155, 1342764), (180, 1156269), (186, 1118970), (270, 770846), (279, 745980), (310, 671382), (372, 559485), (465, 447588), (540, 385423), (558, 372990), (620, 335691), (837, 248660), (930, 223794), (1116, 186495), (1395, 149196), (1674, 124330), (1860, 111897), (2790, 74598), (3348, 62165), (4185, 49732), (5580, 37299), (8370, 24866), (12433, 16740)]