28013790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 192

約数和(自身を含む): 88646400

約数和(自身を除く): 60632610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 30, 34, 35, 38, 42, 49, 51, 57, 59, 70, 85, 95, 98, 102, 105, 114, 118, 119, 133, 147, 170, 177, 190, 210, 238, 245, 255, 266, 285, 294, 295, 323, 354, 357, 399, 413, 490, 510, 570, 590, 595, 646, 665, 714, 735, 798, 826, 833, 885, 931, 969, 1003, 1121, 1190, 1239, 1330, 1470, 1615, 1666, 1770, 1785, 1862, 1938, 1995, 2006, 2065, 2242, 2261, 2478, 2499, 2793, 2891, 3009, 3230, 3363, 3570, 3990, 4130, 4165, 4522, 4655, 4845, 4998, 5015, 5586, 5605, 5782, 6018, 6195, 6726, 6783, 7021, 7847, 8330, 8673, 9310, 9690, 10030, 11210, 11305, 12390, 12495, 13566, 13965, 14042, 14455, 15045, 15694, 15827, 16815, 17346, 19057, 21063, 22610, 23541, 24990, 27930, 28910, 30090, 31654, 33630, 33915, 35105, 38114, 39235, 42126, 43365, 47082, 47481, 49147, 54929, 57171, 67830, 70210, 78470, 79135, 86730, 94962, 95285, 98294, 105315, 109858, 114342, 117705, 133399, 147441, 158270, 164787, 190570, 210630, 235410, 237405, 245735, 266798, 274645, 285855, 294882, 329574, 400197, 474810, 491470, 549290, 571710, 666995, 737205, 800394, 823935, 933793, 1333990, 1474410, 1647870, 1867586, 2000985, 2801379, 4001970, 4668965, 5602758, 9337930, 14006895, 28013790]

約数ペア:

[(1, 28013790), (2, 14006895), (3, 9337930), (5, 5602758), (6, 4668965), (7, 4001970), (10, 2801379), (14, 2000985), (15, 1867586), (17, 1647870), (19, 1474410), (21, 1333990), (30, 933793), (34, 823935), (35, 800394), (38, 737205), (42, 666995), (49, 571710), (51, 549290), (57, 491470), (59, 474810), (70, 400197), (85, 329574), (95, 294882), (98, 285855), (102, 274645), (105, 266798), (114, 245735), (118, 237405), (119, 235410), (133, 210630), (147, 190570), (170, 164787), (177, 158270), (190, 147441), (210, 133399), (238, 117705), (245, 114342), (255, 109858), (266, 105315), (285, 98294), (294, 95285), (295, 94962), (323, 86730), (354, 79135), (357, 78470), (399, 70210), (413, 67830), (490, 57171), (510, 54929), (570, 49147), (590, 47481), (595, 47082), (646, 43365), (665, 42126), (714, 39235), (735, 38114), (798, 35105), (826, 33915), (833, 33630), (885, 31654), (931, 30090), (969, 28910), (1003, 27930), (1121, 24990), (1190, 23541), (1239, 22610), (1330, 21063), (1470, 19057), (1615, 17346), (1666, 16815), (1770, 15827), (1785, 15694), (1862, 15045), (1938, 14455), (1995, 14042), (2006, 13965), (2065, 13566), (2242, 12495), (2261, 12390), (2478, 11305), (2499, 11210), (2793, 10030), (2891, 9690), (3009, 9310), (3230, 8673), (3363, 8330), (3570, 7847), (3990, 7021), (4130, 6783), (4165, 6726), (4522, 6195), (4655, 6018), (4845, 5782), (4998, 5605), (5015, 5586)]