198446500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 520490880

約数和(自身を除く): 322044380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 59, 62, 70, 100, 118, 124, 125, 140, 155, 175, 217, 236, 250, 295, 310, 350, 413, 434, 500, 590, 620, 700, 775, 826, 868, 875, 961, 1085, 1180, 1475, 1550, 1652, 1750, 1829, 1922, 2065, 2170, 2950, 3100, 3500, 3658, 3844, 3875, 4130, 4340, 4805, 5425, 5900, 6727, 7316, 7375, 7750, 8260, 9145, 9610, 10325, 10850, 12803, 13454, 14750, 15500, 18290, 19220, 20650, 21700, 24025, 25606, 26908, 27125, 29500, 33635, 36580, 41300, 45725, 48050, 51212, 51625, 54250, 56699, 64015, 67270, 91450, 96100, 103250, 108500, 113398, 120125, 128030, 134540, 168175, 182900, 206500, 226796, 228625, 240250, 256060, 283495, 320075, 336350, 396893, 457250, 480500, 566990, 640150, 672700, 793786, 840875, 914500, 1133980, 1280300, 1417475, 1587572, 1600375, 1681750, 1984465, 2834950, 3200750, 3363500, 3968930, 5669900, 6401500, 7087375, 7937860, 9922325, 14174750, 19844650, 28349500, 39689300, 49611625, 99223250, 198446500]

約数ペア:

[(1, 198446500), (2, 99223250), (4, 49611625), (5, 39689300), (7, 28349500), (10, 19844650), (14, 14174750), (20, 9922325), (25, 7937860), (28, 7087375), (31, 6401500), (35, 5669900), (50, 3968930), (59, 3363500), (62, 3200750), (70, 2834950), (100, 1984465), (118, 1681750), (124, 1600375), (125, 1587572), (140, 1417475), (155, 1280300), (175, 1133980), (217, 914500), (236, 840875), (250, 793786), (295, 672700), (310, 640150), (350, 566990), (413, 480500), (434, 457250), (500, 396893), (590, 336350), (620, 320075), (700, 283495), (775, 256060), (826, 240250), (868, 228625), (875, 226796), (961, 206500), (1085, 182900), (1180, 168175), (1475, 134540), (1550, 128030), (1652, 120125), (1750, 113398), (1829, 108500), (1922, 103250), (2065, 96100), (2170, 91450), (2950, 67270), (3100, 64015), (3500, 56699), (3658, 54250), (3844, 51625), (3875, 51212), (4130, 48050), (4340, 45725), (4805, 41300), (5425, 36580), (5900, 33635), (6727, 29500), (7316, 27125), (7375, 26908), (7750, 25606), (8260, 24025), (9145, 21700), (9610, 20650), (10325, 19220), (10850, 18290), (12803, 15500), (13454, 14750)]