31190300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 71995392

約数和(自身を除く): 40805092

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 191, 230, 284, 355, 382, 460, 575, 710, 764, 955, 1150, 1420, 1633, 1775, 1910, 2300, 3266, 3550, 3820, 4393, 4775, 6532, 7100, 8165, 8786, 9550, 13561, 16330, 17572, 19100, 21965, 27122, 32660, 40825, 43930, 54244, 67805, 81650, 87860, 109825, 135610, 163300, 219650, 271220, 311903, 339025, 439300, 623806, 678050, 1247612, 1356100, 1559515, 3119030, 6238060, 7797575, 15595150, 31190300]

約数ペア:

[(1, 31190300), (2, 15595150), (4, 7797575), (5, 6238060), (10, 3119030), (20, 1559515), (23, 1356100), (25, 1247612), (46, 678050), (50, 623806), (71, 439300), (92, 339025), (100, 311903), (115, 271220), (142, 219650), (191, 163300), (230, 135610), (284, 109825), (355, 87860), (382, 81650), (460, 67805), (575, 54244), (710, 43930), (764, 40825), (955, 32660), (1150, 27122), (1420, 21965), (1633, 19100), (1775, 17572), (1910, 16330), (2300, 13561), (3266, 9550), (3550, 8786), (3820, 8165), (4393, 7100), (4775, 6532)]