42990008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 48248392

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 127, 131, 136, 152, 254, 262, 323, 508, 524, 646, 1016, 1048, 1292, 2159, 2227, 2413, 2489, 2584, 4318, 4454, 4826, 4978, 8636, 8908, 9652, 9956, 16637, 17272, 17816, 19304, 19912, 33274, 41021, 42313, 66548, 82042, 84626, 133096, 164084, 169252, 282829, 316103, 328168, 338504, 565658, 632206, 1131316, 1264412, 2262632, 2528824, 5373751, 10747502, 21495004, 42990008]

約数ペア:

[(1, 42990008), (2, 21495004), (4, 10747502), (8, 5373751), (17, 2528824), (19, 2262632), (34, 1264412), (38, 1131316), (68, 632206), (76, 565658), (127, 338504), (131, 328168), (136, 316103), (152, 282829), (254, 169252), (262, 164084), (323, 133096), (508, 84626), (524, 82042), (646, 66548), (1016, 42313), (1048, 41021), (1292, 33274), (2159, 19912), (2227, 19304), (2413, 17816), (2489, 17272), (2584, 16637), (4318, 9956), (4454, 9652), (4826, 8908), (4978, 8636)]