284907700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 778950144

約数和(自身を除く): 494042444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 163, 175, 220, 227, 275, 308, 326, 350, 385, 454, 550, 652, 700, 770, 815, 908, 1100, 1135, 1141, 1540, 1589, 1630, 1793, 1925, 2270, 2282, 2497, 3178, 3260, 3586, 3850, 4075, 4540, 4564, 4994, 5675, 5705, 6356, 7172, 7700, 7945, 8150, 8965, 9988, 11350, 11410, 12485, 12551, 15890, 16300, 17479, 17930, 22700, 22820, 24970, 25102, 28525, 31780, 34958, 35860, 37001, 39725, 44825, 49940, 50204, 57050, 62425, 62755, 69916, 74002, 79450, 87395, 89650, 114100, 124850, 125510, 148004, 158900, 174790, 179300, 185005, 249700, 251020, 259007, 313775, 349580, 370010, 407011, 436975, 518014, 627550, 740020, 814022, 873950, 925025, 1036028, 1255100, 1295035, 1628044, 1747900, 1850050, 2035055, 2590070, 2849077, 3700100, 4070110, 5180140, 5698154, 6475175, 8140220, 10175275, 11396308, 12950350, 14245385, 20350550, 25900700, 28490770, 40701100, 56981540, 71226925, 142453850, 284907700]

約数ペア:

[(1, 284907700), (2, 142453850), (4, 71226925), (5, 56981540), (7, 40701100), (10, 28490770), (11, 25900700), (14, 20350550), (20, 14245385), (22, 12950350), (25, 11396308), (28, 10175275), (35, 8140220), (44, 6475175), (50, 5698154), (55, 5180140), (70, 4070110), (77, 3700100), (100, 2849077), (110, 2590070), (140, 2035055), (154, 1850050), (163, 1747900), (175, 1628044), (220, 1295035), (227, 1255100), (275, 1036028), (308, 925025), (326, 873950), (350, 814022), (385, 740020), (454, 627550), (550, 518014), (652, 436975), (700, 407011), (770, 370010), (815, 349580), (908, 313775), (1100, 259007), (1135, 251020), (1141, 249700), (1540, 185005), (1589, 179300), (1630, 174790), (1793, 158900), (1925, 148004), (2270, 125510), (2282, 124850), (2497, 114100), (3178, 89650), (3260, 87395), (3586, 79450), (3850, 74002), (4075, 69916), (4540, 62755), (4564, 62425), (4994, 57050), (5675, 50204), (5705, 49940), (6356, 44825), (7172, 39725), (7700, 37001), (7945, 35860), (8150, 34958), (8965, 31780), (9988, 28525), (11350, 25102), (11410, 24970), (12485, 22820), (12551, 22700), (15890, 17930), (16300, 17479)]