206997900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{2887}}^1$

素因数の和:3143

約数の個数: 72

約数和(自身を含む): 601628160

約数和(自身を除く): 394630260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 239, 300, 478, 717, 956, 1195, 1434, 2390, 2868, 2887, 3585, 4780, 5774, 5975, 7170, 8661, 11548, 11950, 14340, 14435, 17322, 17925, 23900, 28870, 34644, 35850, 43305, 57740, 71700, 72175, 86610, 144350, 173220, 216525, 288700, 433050, 689993, 866100, 1379986, 2069979, 2759972, 3449965, 4139958, 6899930, 8279916, 10349895, 13799860, 17249825, 20699790, 34499650, 41399580, 51749475, 68999300, 103498950, 206997900]

約数ペア:

[(1, 206997900), (2, 103498950), (3, 68999300), (4, 51749475), (5, 41399580), (6, 34499650), (10, 20699790), (12, 17249825), (15, 13799860), (20, 10349895), (25, 8279916), (30, 6899930), (50, 4139958), (60, 3449965), (75, 2759972), (100, 2069979), (150, 1379986), (239, 866100), (300, 689993), (478, 433050), (717, 288700), (956, 216525), (1195, 173220), (1434, 144350), (2390, 86610), (2868, 72175), (2887, 71700), (3585, 57740), (4780, 43305), (5774, 35850), (5975, 34644), (7170, 28870), (8661, 23900), (11548, 17925), (11950, 17322), (14340, 14435)]