253819860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1$

素因数の和:1926

約数の個数: 192

約数和(自身を含む): 905748480

約数和(自身を除く): 651928620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 665, 714, 798, 969, 1020, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1871, 1938, 1995, 2261, 2380, 2660, 3230, 3570, 3742, 3876, 3990, 4522, 4845, 5613, 6460, 6783, 7140, 7484, 7980, 9044, 9355, 9690, 11226, 11305, 13097, 13566, 18710, 19380, 22452, 22610, 26194, 27132, 28065, 31807, 33915, 35549, 37420, 39291, 45220, 52388, 56130, 63614, 65485, 67830, 71098, 78582, 95421, 106647, 112260, 127228, 130970, 135660, 142196, 157164, 159035, 177745, 190842, 196455, 213294, 222649, 248843, 261940, 318070, 355490, 381684, 392910, 426588, 445298, 477105, 497686, 533235, 604333, 636140, 667947, 710980, 746529, 785820, 890596, 954210, 995372, 1066470, 1113245, 1208666, 1244215, 1335894, 1493058, 1812999, 1908420, 2132940, 2226490, 2417332, 2488430, 2671788, 2986116, 3021665, 3339735, 3625998, 3732645, 4230331, 4452980, 4976860, 6043330, 6679470, 7251996, 7465290, 8460662, 9064995, 12086660, 12690993, 13358940, 14930580, 16921324, 18129990, 21151655, 25381986, 36259980, 42303310, 50763972, 63454965, 84606620, 126909930, 253819860]

約数ペア:

[(1, 253819860), (2, 126909930), (3, 84606620), (4, 63454965), (5, 50763972), (6, 42303310), (7, 36259980), (10, 25381986), (12, 21151655), (14, 18129990), (15, 16921324), (17, 14930580), (19, 13358940), (20, 12690993), (21, 12086660), (28, 9064995), (30, 8460662), (34, 7465290), (35, 7251996), (38, 6679470), (42, 6043330), (51, 4976860), (57, 4452980), (60, 4230331), (68, 3732645), (70, 3625998), (76, 3339735), (84, 3021665), (85, 2986116), (95, 2671788), (102, 2488430), (105, 2417332), (114, 2226490), (119, 2132940), (133, 1908420), (140, 1812999), (170, 1493058), (190, 1335894), (204, 1244215), (210, 1208666), (228, 1113245), (238, 1066470), (255, 995372), (266, 954210), (285, 890596), (323, 785820), (340, 746529), (357, 710980), (380, 667947), (399, 636140), (420, 604333), (476, 533235), (510, 497686), (532, 477105), (570, 445298), (595, 426588), (646, 392910), (665, 381684), (714, 355490), (798, 318070), (969, 261940), (1020, 248843), (1140, 222649), (1190, 213294), (1292, 196455), (1330, 190842), (1428, 177745), (1596, 159035), (1615, 157164), (1785, 142196), (1871, 135660), (1938, 130970), (1995, 127228), (2261, 112260), (2380, 106647), (2660, 95421), (3230, 78582), (3570, 71098), (3742, 67830), (3876, 65485), (3990, 63614), (4522, 56130), (4845, 52388), (5613, 45220), (6460, 39291), (6783, 37420), (7140, 35549), (7484, 33915), (7980, 31807), (9044, 28065), (9355, 27132), (9690, 26194), (11226, 22610), (11305, 22452), (13097, 19380), (13566, 18710)]