55445700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 161170240

約数和(自身を除く): 105724540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 421, 439, 842, 878, 1263, 1317, 1684, 1756, 2105, 2195, 2526, 2634, 4210, 4390, 5052, 5268, 6315, 6585, 8420, 8780, 10525, 10975, 12630, 13170, 21050, 21950, 25260, 26340, 31575, 32925, 42100, 43900, 63150, 65850, 126300, 131700, 184819, 369638, 554457, 739276, 924095, 1108914, 1848190, 2217828, 2772285, 3696380, 4620475, 5544570, 9240950, 11089140, 13861425, 18481900, 27722850, 55445700]

約数ペア:

[(1, 55445700), (2, 27722850), (3, 18481900), (4, 13861425), (5, 11089140), (6, 9240950), (10, 5544570), (12, 4620475), (15, 3696380), (20, 2772285), (25, 2217828), (30, 1848190), (50, 1108914), (60, 924095), (75, 739276), (100, 554457), (150, 369638), (300, 184819), (421, 131700), (439, 126300), (842, 65850), (878, 63150), (1263, 43900), (1317, 42100), (1684, 32925), (1756, 31575), (2105, 26340), (2195, 25260), (2526, 21950), (2634, 21050), (4210, 13170), (4390, 12630), (5052, 10975), (5268, 10525), (6315, 8780), (6585, 8420)]