2531940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 7465920

約数和(自身を除く): 4933980

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, 2221, 4442, 6663, 8884, 11105, 13326, 22210, 26652, 33315, 42199, 44420, 66630, 84398, 126597, 133260, 168796, 210995, 253194, 421990, 506388, 632985, 843980, 1265970, 2531940]

約数ペア:

[(1, 2531940), (2, 1265970), (3, 843980), (4, 632985), (5, 506388), (6, 421990), (10, 253194), (12, 210995), (15, 168796), (19, 133260), (20, 126597), (30, 84398), (38, 66630), (57, 44420), (60, 42199), (76, 33315), (95, 26652), (114, 22210), (190, 13326), (228, 11105), (285, 8884), (380, 6663), (570, 4442), (1140, 2221)]