171039400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 478362240

約数和(自身を除く): 307322840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 434, 490, 563, 620, 700, 775, 868, 980, 1085, 1126, 1225, 1240, 1400, 1519, 1550, 1736, 1960, 2170, 2252, 2450, 2815, 3038, 3100, 3941, 4340, 4504, 4900, 5425, 5630, 6076, 6200, 7595, 7882, 8680, 9800, 10850, 11260, 12152, 14075, 15190, 15764, 17453, 19705, 21700, 22520, 27587, 28150, 30380, 31528, 34906, 37975, 39410, 43400, 55174, 56300, 60760, 69812, 75950, 78820, 87265, 98525, 110348, 112600, 122171, 137935, 139624, 151900, 157640, 174530, 197050, 220696, 244342, 275870, 303800, 349060, 394100, 436325, 488684, 551740, 610855, 689675, 698120, 788200, 855197, 872650, 977368, 1103480, 1221710, 1379350, 1710394, 1745300, 2443420, 2758700, 3054275, 3420788, 3490600, 4275985, 4886840, 5517400, 6108550, 6841576, 8551970, 12217100, 17103940, 21379925, 24434200, 34207880, 42759850, 85519700, 171039400]

約数ペア:

[(1, 171039400), (2, 85519700), (4, 42759850), (5, 34207880), (7, 24434200), (8, 21379925), (10, 17103940), (14, 12217100), (20, 8551970), (25, 6841576), (28, 6108550), (31, 5517400), (35, 4886840), (40, 4275985), (49, 3490600), (50, 3420788), (56, 3054275), (62, 2758700), (70, 2443420), (98, 1745300), (100, 1710394), (124, 1379350), (140, 1221710), (155, 1103480), (175, 977368), (196, 872650), (200, 855197), (217, 788200), (245, 698120), (248, 689675), (280, 610855), (310, 551740), (350, 488684), (392, 436325), (434, 394100), (490, 349060), (563, 303800), (620, 275870), (700, 244342), (775, 220696), (868, 197050), (980, 174530), (1085, 157640), (1126, 151900), (1225, 139624), (1240, 137935), (1400, 122171), (1519, 112600), (1550, 110348), (1736, 98525), (1960, 87265), (2170, 78820), (2252, 75950), (2450, 69812), (2815, 60760), (3038, 56300), (3100, 55174), (3941, 43400), (4340, 39410), (4504, 37975), (4900, 34906), (5425, 31528), (5630, 30380), (6076, 28150), (6200, 27587), (7595, 22520), (7882, 21700), (8680, 19705), (9800, 17453), (10850, 15764), (11260, 15190), (12152, 14075)]