28851900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1284

約数の個数: 144

約数和(自身を含む): 104160000

約数和(自身を除く): 75308100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 924, 1050, 1100, 1155, 1249, 1540, 1650, 1925, 2100, 2310, 2498, 3300, 3747, 3850, 4620, 4996, 5775, 6245, 7494, 7700, 8743, 11550, 12490, 13739, 14988, 17486, 18735, 23100, 24980, 26229, 27478, 31225, 34972, 37470, 41217, 43715, 52458, 54956, 62450, 68695, 74940, 82434, 87430, 93675, 96173, 104916, 124900, 131145, 137390, 164868, 174860, 187350, 192346, 206085, 218575, 262290, 274780, 288519, 343475, 374700, 384692, 412170, 437150, 480865, 524580, 577038, 655725, 686950, 824340, 874300, 961730, 1030425, 1154076, 1311450, 1373900, 1442595, 1923460, 2060850, 2404325, 2622900, 2885190, 4121700, 4808650, 5770380, 7212975, 9617300, 14425950, 28851900]

約数ペア:

[(1, 28851900), (2, 14425950), (3, 9617300), (4, 7212975), (5, 5770380), (6, 4808650), (7, 4121700), (10, 2885190), (11, 2622900), (12, 2404325), (14, 2060850), (15, 1923460), (20, 1442595), (21, 1373900), (22, 1311450), (25, 1154076), (28, 1030425), (30, 961730), (33, 874300), (35, 824340), (42, 686950), (44, 655725), (50, 577038), (55, 524580), (60, 480865), (66, 437150), (70, 412170), (75, 384692), (77, 374700), (84, 343475), (100, 288519), (105, 274780), (110, 262290), (132, 218575), (140, 206085), (150, 192346), (154, 187350), (165, 174860), (175, 164868), (210, 137390), (220, 131145), (231, 124900), (275, 104916), (300, 96173), (308, 93675), (330, 87430), (350, 82434), (385, 74940), (420, 68695), (462, 62450), (525, 54956), (550, 52458), (660, 43715), (700, 41217), (770, 37470), (825, 34972), (924, 31225), (1050, 27478), (1100, 26229), (1155, 24980), (1249, 23100), (1540, 18735), (1650, 17486), (1925, 14988), (2100, 13739), (2310, 12490), (2498, 11550), (3300, 8743), (3747, 7700), (3850, 7494), (4620, 6245), (4996, 5775)]