28975100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 80994816

約数和(自身を除く): 52019716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 53, 55, 70, 71, 77, 100, 106, 110, 140, 142, 154, 175, 212, 220, 265, 275, 284, 308, 350, 355, 371, 385, 497, 530, 550, 583, 700, 710, 742, 770, 781, 994, 1060, 1100, 1166, 1325, 1420, 1484, 1540, 1562, 1775, 1855, 1925, 1988, 2332, 2485, 2650, 2915, 3124, 3550, 3710, 3763, 3850, 3905, 4081, 4970, 5300, 5467, 5830, 7100, 7420, 7526, 7700, 7810, 8162, 9275, 9940, 10934, 11660, 12425, 14575, 15052, 15620, 16324, 18550, 18815, 19525, 20405, 21868, 24850, 26341, 27335, 29150, 37100, 37630, 39050, 40810, 41393, 49700, 52682, 54670, 58300, 75260, 78100, 81620, 82786, 94075, 102025, 105364, 109340, 131705, 136675, 165572, 188150, 204050, 206965, 263410, 273350, 289751, 376300, 408100, 413930, 526820, 546700, 579502, 658525, 827860, 1034825, 1159004, 1317050, 1448755, 2069650, 2634100, 2897510, 4139300, 5795020, 7243775, 14487550, 28975100]

約数ペア:

[(1, 28975100), (2, 14487550), (4, 7243775), (5, 5795020), (7, 4139300), (10, 2897510), (11, 2634100), (14, 2069650), (20, 1448755), (22, 1317050), (25, 1159004), (28, 1034825), (35, 827860), (44, 658525), (50, 579502), (53, 546700), (55, 526820), (70, 413930), (71, 408100), (77, 376300), (100, 289751), (106, 273350), (110, 263410), (140, 206965), (142, 204050), (154, 188150), (175, 165572), (212, 136675), (220, 131705), (265, 109340), (275, 105364), (284, 102025), (308, 94075), (350, 82786), (355, 81620), (371, 78100), (385, 75260), (497, 58300), (530, 54670), (550, 52682), (583, 49700), (700, 41393), (710, 40810), (742, 39050), (770, 37630), (781, 37100), (994, 29150), (1060, 27335), (1100, 26341), (1166, 24850), (1325, 21868), (1420, 20405), (1484, 19525), (1540, 18815), (1562, 18550), (1775, 16324), (1855, 15620), (1925, 15052), (1988, 14575), (2332, 12425), (2485, 11660), (2650, 10934), (2915, 9940), (3124, 9275), (3550, 8162), (3710, 7810), (3763, 7700), (3850, 7526), (3905, 7420), (4081, 7100), (4970, 5830), (5300, 5467)]