197404900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 144

約数和(自身を含む): 551964672

約数和(自身を除く): 354559772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 175, 217, 220, 275, 308, 310, 341, 350, 385, 434, 550, 620, 682, 700, 770, 775, 827, 868, 1085, 1100, 1364, 1540, 1550, 1654, 1705, 1925, 2170, 2387, 3100, 3308, 3410, 3850, 4135, 4340, 4774, 5425, 5789, 6820, 7700, 8270, 8525, 9097, 9548, 10850, 11578, 11935, 16540, 17050, 18194, 20675, 21700, 23156, 23870, 25637, 28945, 34100, 36388, 41350, 45485, 47740, 51274, 57890, 59675, 63679, 82700, 90970, 102548, 115780, 119350, 127358, 128185, 144725, 179459, 181940, 227425, 238700, 254716, 256370, 282007, 289450, 318395, 358918, 454850, 512740, 564014, 578900, 636790, 640925, 717836, 897295, 909700, 1128028, 1273580, 1281850, 1410035, 1591975, 1794590, 1974049, 2563700, 2820070, 3183950, 3589180, 3948098, 4486475, 5640140, 6367900, 7050175, 7896196, 8972950, 9870245, 14100350, 17945900, 19740490, 28200700, 39480980, 49351225, 98702450, 197404900]

約数ペア:

[(1, 197404900), (2, 98702450), (4, 49351225), (5, 39480980), (7, 28200700), (10, 19740490), (11, 17945900), (14, 14100350), (20, 9870245), (22, 8972950), (25, 7896196), (28, 7050175), (31, 6367900), (35, 5640140), (44, 4486475), (50, 3948098), (55, 3589180), (62, 3183950), (70, 2820070), (77, 2563700), (100, 1974049), (110, 1794590), (124, 1591975), (140, 1410035), (154, 1281850), (155, 1273580), (175, 1128028), (217, 909700), (220, 897295), (275, 717836), (308, 640925), (310, 636790), (341, 578900), (350, 564014), (385, 512740), (434, 454850), (550, 358918), (620, 318395), (682, 289450), (700, 282007), (770, 256370), (775, 254716), (827, 238700), (868, 227425), (1085, 181940), (1100, 179459), (1364, 144725), (1540, 128185), (1550, 127358), (1654, 119350), (1705, 115780), (1925, 102548), (2170, 90970), (2387, 82700), (3100, 63679), (3308, 59675), (3410, 57890), (3850, 51274), (4135, 47740), (4340, 45485), (4774, 41350), (5425, 36388), (5789, 34100), (6820, 28945), (7700, 25637), (8270, 23870), (8525, 23156), (9097, 21700), (9548, 20675), (10850, 18194), (11578, 17050), (11935, 16540)]