399660100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{9677}}^1$

素因数の和:9757

約数の個数: 72

約数和(自身を含む): 1008060480

約数和(自身を除く): 608400380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 140, 175, 236, 295, 350, 413, 590, 700, 826, 1180, 1475, 1652, 2065, 2950, 4130, 5900, 8260, 9677, 10325, 19354, 20650, 38708, 41300, 48385, 67739, 96770, 135478, 193540, 241925, 270956, 338695, 483850, 570943, 677390, 967700, 1141886, 1354780, 1693475, 2283772, 2854715, 3386950, 3996601, 5709430, 6773900, 7993202, 11418860, 14273575, 15986404, 19983005, 28547150, 39966010, 57094300, 79932020, 99915025, 199830050, 399660100]

約数ペア:

[(1, 399660100), (2, 199830050), (4, 99915025), (5, 79932020), (7, 57094300), (10, 39966010), (14, 28547150), (20, 19983005), (25, 15986404), (28, 14273575), (35, 11418860), (50, 7993202), (59, 6773900), (70, 5709430), (100, 3996601), (118, 3386950), (140, 2854715), (175, 2283772), (236, 1693475), (295, 1354780), (350, 1141886), (413, 967700), (590, 677390), (700, 570943), (826, 483850), (1180, 338695), (1475, 270956), (1652, 241925), (2065, 193540), (2950, 135478), (4130, 96770), (5900, 67739), (8260, 48385), (9677, 41300), (10325, 38708), (19354, 20650)]