202109940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^2$

素因数の和:546

約数の個数: 108

約数和(自身を含む): 651665196

約数和(自身を除く): 449555256

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 257, 306, 340, 510, 514, 612, 765, 771, 1020, 1028, 1285, 1530, 1542, 2313, 2570, 3060, 3084, 3855, 4369, 4626, 5140, 7710, 8738, 9252, 11565, 13107, 15420, 17476, 21845, 23130, 26214, 39321, 43690, 46260, 52428, 65535, 66049, 78642, 87380, 131070, 132098, 157284, 196605, 198147, 262140, 264196, 330245, 393210, 396294, 594441, 660490, 786420, 792588, 990735, 1122833, 1188882, 1320980, 1981470, 2245666, 2377764, 2972205, 3368499, 3962940, 4491332, 5614165, 5944410, 6736998, 10105497, 11228330, 11888820, 13473996, 16842495, 20210994, 22456660, 33684990, 40421988, 50527485, 67369980, 101054970, 202109940]

約数ペア:

[(1, 202109940), (2, 101054970), (3, 67369980), (4, 50527485), (5, 40421988), (6, 33684990), (9, 22456660), (10, 20210994), (12, 16842495), (15, 13473996), (17, 11888820), (18, 11228330), (20, 10105497), (30, 6736998), (34, 5944410), (36, 5614165), (45, 4491332), (51, 3962940), (60, 3368499), (68, 2972205), (85, 2377764), (90, 2245666), (102, 1981470), (153, 1320980), (170, 1188882), (180, 1122833), (204, 990735), (255, 792588), (257, 786420), (306, 660490), (340, 594441), (510, 396294), (514, 393210), (612, 330245), (765, 264196), (771, 262140), (1020, 198147), (1028, 196605), (1285, 157284), (1530, 132098), (1542, 131070), (2313, 87380), (2570, 78642), (3060, 66049), (3084, 65535), (3855, 52428), (4369, 46260), (4626, 43690), (5140, 39321), (7710, 26214), (8738, 23130), (9252, 21845), (11565, 17476), (13107, 15420)]