203737910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 398908800

約数和(自身を除く): 195170890

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 89, 115, 178, 185, 230, 269, 370, 445, 538, 851, 890, 1345, 1702, 2047, 2690, 3293, 4094, 4255, 6187, 6586, 8510, 9953, 10235, 12374, 16465, 19906, 20470, 23941, 30935, 32930, 47882, 49765, 61870, 75739, 99530, 119705, 151478, 228919, 239410, 378695, 457838, 550643, 757390, 885817, 1101286, 1144595, 1771634, 2289190, 2753215, 4429085, 5506430, 8858170, 20373791, 40747582, 101868955, 203737910]

約数ペア:

[(1, 203737910), (2, 101868955), (5, 40747582), (10, 20373791), (23, 8858170), (37, 5506430), (46, 4429085), (74, 2753215), (89, 2289190), (115, 1771634), (178, 1144595), (185, 1101286), (230, 885817), (269, 757390), (370, 550643), (445, 457838), (538, 378695), (851, 239410), (890, 228919), (1345, 151478), (1702, 119705), (2047, 99530), (2690, 75739), (3293, 61870), (4094, 49765), (4255, 47882), (6187, 32930), (6586, 30935), (8510, 23941), (9953, 20470), (10235, 19906), (12374, 16465)]