16439500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 46309536

約数和(自身を除く): 29870036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 61, 70, 77, 98, 100, 110, 122, 125, 140, 154, 175, 196, 220, 244, 245, 250, 275, 305, 308, 350, 385, 427, 490, 500, 539, 550, 610, 671, 700, 770, 854, 875, 980, 1078, 1100, 1220, 1225, 1342, 1375, 1525, 1540, 1708, 1750, 1925, 2135, 2156, 2450, 2684, 2695, 2750, 2989, 3050, 3355, 3500, 3850, 4270, 4697, 4900, 5390, 5500, 5978, 6100, 6125, 6710, 7625, 7700, 8540, 9394, 9625, 10675, 10780, 11956, 12250, 13420, 13475, 14945, 15250, 16775, 18788, 19250, 21350, 23485, 24500, 26950, 29890, 30500, 32879, 33550, 38500, 42700, 46970, 53375, 53900, 59780, 65758, 67100, 67375, 74725, 83875, 93940, 106750, 117425, 131516, 134750, 149450, 164395, 167750, 213500, 234850, 269500, 298900, 328790, 335500, 373625, 469700, 587125, 657580, 747250, 821975, 1174250, 1494500, 1643950, 2348500, 3287900, 4109875, 8219750, 16439500]

約数ペア:

[(1, 16439500), (2, 8219750), (4, 4109875), (5, 3287900), (7, 2348500), (10, 1643950), (11, 1494500), (14, 1174250), (20, 821975), (22, 747250), (25, 657580), (28, 587125), (35, 469700), (44, 373625), (49, 335500), (50, 328790), (55, 298900), (61, 269500), (70, 234850), (77, 213500), (98, 167750), (100, 164395), (110, 149450), (122, 134750), (125, 131516), (140, 117425), (154, 106750), (175, 93940), (196, 83875), (220, 74725), (244, 67375), (245, 67100), (250, 65758), (275, 59780), (305, 53900), (308, 53375), (350, 46970), (385, 42700), (427, 38500), (490, 33550), (500, 32879), (539, 30500), (550, 29890), (610, 26950), (671, 24500), (700, 23485), (770, 21350), (854, 19250), (875, 18788), (980, 16775), (1078, 15250), (1100, 14945), (1220, 13475), (1225, 13420), (1342, 12250), (1375, 11956), (1525, 10780), (1540, 10675), (1708, 9625), (1750, 9394), (1925, 8540), (2135, 7700), (2156, 7625), (2450, 6710), (2684, 6125), (2695, 6100), (2750, 5978), (2989, 5500), (3050, 5390), (3355, 4900), (3500, 4697), (3850, 4270)]