2780615812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 108

約数和(自身を含む): 5744844336

約数和(自身を除く): 2964228524

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 169, 172, 221, 289, 331, 338, 442, 559, 578, 662, 676, 731, 884, 1118, 1156, 1324, 1462, 2236, 2873, 2924, 3757, 4303, 5627, 5746, 7267, 7514, 8606, 9503, 11254, 11492, 12427, 14233, 14534, 15028, 17212, 19006, 22508, 24854, 28466, 29068, 38012, 48841, 49708, 55939, 56932, 73151, 95659, 97682, 111878, 123539, 146302, 161551, 185029, 191318, 195364, 223756, 241961, 247078, 292604, 323102, 370058, 382636, 483922, 494156, 646204, 740116, 950963, 967844, 1243567, 1901926, 2100163, 2405377, 2487134, 3145493, 3803852, 4113337, 4200326, 4810754, 4974268, 6290986, 8226674, 8400652, 9621508, 12581972, 16166371, 16453348, 32332742, 40891409, 53473381, 64665484, 81782818, 106946762, 163565636, 213893524, 695153953, 1390307906, 2780615812]

約数ペア:

[(1, 2780615812), (2, 1390307906), (4, 695153953), (13, 213893524), (17, 163565636), (26, 106946762), (34, 81782818), (43, 64665484), (52, 53473381), (68, 40891409), (86, 32332742), (169, 16453348), (172, 16166371), (221, 12581972), (289, 9621508), (331, 8400652), (338, 8226674), (442, 6290986), (559, 4974268), (578, 4810754), (662, 4200326), (676, 4113337), (731, 3803852), (884, 3145493), (1118, 2487134), (1156, 2405377), (1324, 2100163), (1462, 1901926), (2236, 1243567), (2873, 967844), (2924, 950963), (3757, 740116), (4303, 646204), (5627, 494156), (5746, 483922), (7267, 382636), (7514, 370058), (8606, 323102), (9503, 292604), (11254, 247078), (11492, 241961), (12427, 223756), (14233, 195364), (14534, 191318), (15028, 185029), (17212, 161551), (19006, 146302), (22508, 123539), (24854, 111878), (28466, 97682), (29068, 95659), (38012, 73151), (48841, 56932), (49708, 55939)]