2987940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2652

約数の個数: 48

約数和(自身を含む): 8809920

約数和(自身を除く): 5821980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 2621, 5242, 7863, 10484, 13105, 15726, 26210, 31452, 39315, 49799, 52420, 78630, 99598, 149397, 157260, 199196, 248995, 298794, 497990, 597588, 746985, 995980, 1493970, 2987940]

約数ペア:

[(1, 2987940), (2, 1493970), (3, 995980), (4, 746985), (5, 597588), (6, 497990), (10, 298794), (12, 248995), (15, 199196), (19, 157260), (20, 149397), (30, 99598), (38, 78630), (57, 52420), (60, 49799), (76, 39315), (95, 31452), (114, 26210), (190, 15726), (228, 13105), (285, 10484), (380, 7863), (570, 5242), (1140, 2621)]