28311900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4967}}^1$

素因数の和:5003

約数の個数: 72

約数和(自身を含む): 86244480

約数和(自身を除く): 57932580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 228, 285, 300, 380, 475, 570, 950, 1140, 1425, 1900, 2850, 4967, 5700, 9934, 14901, 19868, 24835, 29802, 49670, 59604, 74505, 94373, 99340, 124175, 149010, 188746, 248350, 283119, 298020, 372525, 377492, 471865, 496700, 566238, 745050, 943730, 1132476, 1415595, 1490100, 1887460, 2359325, 2831190, 4718650, 5662380, 7077975, 9437300, 14155950, 28311900]

約数ペア:

[(1, 28311900), (2, 14155950), (3, 9437300), (4, 7077975), (5, 5662380), (6, 4718650), (10, 2831190), (12, 2359325), (15, 1887460), (19, 1490100), (20, 1415595), (25, 1132476), (30, 943730), (38, 745050), (50, 566238), (57, 496700), (60, 471865), (75, 377492), (76, 372525), (95, 298020), (100, 283119), (114, 248350), (150, 188746), (190, 149010), (228, 124175), (285, 99340), (300, 94373), (380, 74505), (475, 59604), (570, 49670), (950, 29802), (1140, 24835), (1425, 19868), (1900, 14901), (2850, 9934), (4967, 5700)]