215939490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 128

約数和(自身を含む): 588736512

約数和(自身を除く): 372797022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 53, 62, 65, 78, 93, 106, 130, 155, 159, 186, 195, 265, 310, 318, 337, 390, 403, 465, 530, 674, 689, 795, 806, 930, 1011, 1209, 1378, 1590, 1643, 1685, 2015, 2022, 2067, 2418, 3286, 3370, 3445, 4030, 4134, 4381, 4929, 5055, 6045, 6890, 8215, 8762, 9858, 10110, 10335, 10447, 12090, 13143, 16430, 17861, 20670, 20894, 21359, 21905, 24645, 26286, 31341, 35722, 42718, 43810, 49290, 52235, 53583, 62682, 64077, 65715, 89305, 104470, 106795, 107166, 128154, 131430, 135811, 156705, 178610, 213590, 232193, 267915, 271622, 313410, 320385, 407433, 464386, 535830, 553691, 640770, 679055, 696579, 814866, 1107382, 1160965, 1358110, 1393158, 1661073, 2037165, 2321930, 2768455, 3322146, 3482895, 4074330, 5536910, 6965790, 7197983, 8305365, 14395966, 16610730, 21593949, 35989915, 43187898, 71979830, 107969745, 215939490]

約数ペア:

[(1, 215939490), (2, 107969745), (3, 71979830), (5, 43187898), (6, 35989915), (10, 21593949), (13, 16610730), (15, 14395966), (26, 8305365), (30, 7197983), (31, 6965790), (39, 5536910), (53, 4074330), (62, 3482895), (65, 3322146), (78, 2768455), (93, 2321930), (106, 2037165), (130, 1661073), (155, 1393158), (159, 1358110), (186, 1160965), (195, 1107382), (265, 814866), (310, 696579), (318, 679055), (337, 640770), (390, 553691), (403, 535830), (465, 464386), (530, 407433), (674, 320385), (689, 313410), (795, 271622), (806, 267915), (930, 232193), (1011, 213590), (1209, 178610), (1378, 156705), (1590, 135811), (1643, 131430), (1685, 128154), (2015, 107166), (2022, 106795), (2067, 104470), (2418, 89305), (3286, 65715), (3370, 64077), (3445, 62682), (4030, 53583), (4134, 52235), (4381, 49290), (4929, 43810), (5055, 42718), (6045, 35722), (6890, 31341), (8215, 26286), (8762, 24645), (9858, 21905), (10110, 21359), (10335, 20894), (10447, 20670), (12090, 17861), (13143, 16430)]