188221000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 489265920

約数和(自身を除く): 301044920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 71, 88, 100, 110, 125, 142, 200, 220, 241, 250, 275, 284, 355, 440, 482, 500, 550, 568, 710, 781, 964, 1000, 1100, 1205, 1375, 1420, 1562, 1775, 1928, 2200, 2410, 2651, 2750, 2840, 3124, 3550, 3905, 4820, 5302, 5500, 6025, 6248, 7100, 7810, 8875, 9640, 10604, 11000, 12050, 13255, 14200, 15620, 17111, 17750, 19525, 21208, 24100, 26510, 30125, 31240, 34222, 35500, 39050, 48200, 53020, 60250, 66275, 68444, 71000, 78100, 85555, 97625, 106040, 120500, 132550, 136888, 156200, 171110, 188221, 195250, 241000, 265100, 331375, 342220, 376442, 390500, 427775, 530200, 662750, 684440, 752884, 781000, 855550, 941105, 1325500, 1505768, 1711100, 1882210, 2138875, 2651000, 3422200, 3764420, 4277750, 4705525, 7528840, 8555500, 9411050, 17111000, 18822100, 23527625, 37644200, 47055250, 94110500, 188221000]

約数ペア:

[(1, 188221000), (2, 94110500), (4, 47055250), (5, 37644200), (8, 23527625), (10, 18822100), (11, 17111000), (20, 9411050), (22, 8555500), (25, 7528840), (40, 4705525), (44, 4277750), (50, 3764420), (55, 3422200), (71, 2651000), (88, 2138875), (100, 1882210), (110, 1711100), (125, 1505768), (142, 1325500), (200, 941105), (220, 855550), (241, 781000), (250, 752884), (275, 684440), (284, 662750), (355, 530200), (440, 427775), (482, 390500), (500, 376442), (550, 342220), (568, 331375), (710, 265100), (781, 241000), (964, 195250), (1000, 188221), (1100, 171110), (1205, 156200), (1375, 136888), (1420, 132550), (1562, 120500), (1775, 106040), (1928, 97625), (2200, 85555), (2410, 78100), (2651, 71000), (2750, 68444), (2840, 66275), (3124, 60250), (3550, 53020), (3905, 48200), (4820, 39050), (5302, 35500), (5500, 34222), (6025, 31240), (6248, 30125), (7100, 26510), (7810, 24100), (8875, 21208), (9640, 19525), (10604, 17750), (11000, 17111), (12050, 15620), (13255, 14200)]