19939950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:698

約数の個数: 72

約数和(自身を含む): 54395328

約数和(自身を除く): 34455378

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 73, 75, 90, 146, 150, 219, 225, 365, 438, 450, 607, 657, 730, 1095, 1214, 1314, 1821, 1825, 2190, 3035, 3285, 3642, 3650, 5463, 5475, 6070, 6570, 9105, 10926, 10950, 15175, 16425, 18210, 27315, 30350, 32850, 44311, 45525, 54630, 88622, 91050, 132933, 136575, 221555, 265866, 273150, 398799, 443110, 664665, 797598, 1107775, 1329330, 1993995, 2215550, 3323325, 3987990, 6646650, 9969975, 19939950]

約数ペア:

[(1, 19939950), (2, 9969975), (3, 6646650), (5, 3987990), (6, 3323325), (9, 2215550), (10, 1993995), (15, 1329330), (18, 1107775), (25, 797598), (30, 664665), (45, 443110), (50, 398799), (73, 273150), (75, 265866), (90, 221555), (146, 136575), (150, 132933), (219, 91050), (225, 88622), (365, 54630), (438, 45525), (450, 44311), (607, 32850), (657, 30350), (730, 27315), (1095, 18210), (1214, 16425), (1314, 15175), (1821, 10950), (1825, 10926), (2190, 9105), (3035, 6570), (3285, 6070), (3642, 5475), (3650, 5463)]