519944785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 719953920

約数和(自身を除く): 200009135

約数列:

[1, 5, 19, 23, 47, 61, 83, 95, 115, 235, 305, 415, 437, 893, 1081, 1159, 1403, 1577, 1909, 2185, 2867, 3901, 4465, 5063, 5405, 5795, 7015, 7885, 9545, 14335, 19505, 20539, 25315, 26657, 36271, 54473, 65941, 74119, 89723, 96197, 102695, 116449, 133285, 181355, 237961, 272365, 329705, 370595, 448615, 480985, 582245, 1189805, 1252879, 1704737, 2212531, 4521259, 5473103, 6264395, 8523685, 11062655, 22606295, 27365515, 103988957, 519944785]

約数ペア:

[(1, 519944785), (5, 103988957), (19, 27365515), (23, 22606295), (47, 11062655), (61, 8523685), (83, 6264395), (95, 5473103), (115, 4521259), (235, 2212531), (305, 1704737), (415, 1252879), (437, 1189805), (893, 582245), (1081, 480985), (1159, 448615), (1403, 370595), (1577, 329705), (1909, 272365), (2185, 237961), (2867, 181355), (3901, 133285), (4465, 116449), (5063, 102695), (5405, 96197), (5795, 89723), (7015, 74119), (7885, 65941), (9545, 54473), (14335, 36271), (19505, 26657), (20539, 25315)]