987418960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{1867}}^1$

素因数の和:2492

約数の個数: 80

約数和(自身を含む): 2509964352

約数和(自身を除く): 1522545392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 601, 880, 1202, 1867, 2404, 3005, 3734, 4808, 6010, 6611, 7468, 9335, 9616, 12020, 13222, 14936, 18670, 20537, 24040, 26444, 29872, 33055, 37340, 41074, 48080, 52888, 66110, 74680, 82148, 102685, 105776, 132220, 149360, 164296, 205370, 264440, 328592, 410740, 528880, 821480, 1122067, 1642960, 2244134, 4488268, 5610335, 8976536, 11220670, 12342737, 17953072, 22441340, 24685474, 44882680, 49370948, 61713685, 89765360, 98741896, 123427370, 197483792, 246854740, 493709480, 987418960]

約数ペア:

[(1, 987418960), (2, 493709480), (4, 246854740), (5, 197483792), (8, 123427370), (10, 98741896), (11, 89765360), (16, 61713685), (20, 49370948), (22, 44882680), (40, 24685474), (44, 22441340), (55, 17953072), (80, 12342737), (88, 11220670), (110, 8976536), (176, 5610335), (220, 4488268), (440, 2244134), (601, 1642960), (880, 1122067), (1202, 821480), (1867, 528880), (2404, 410740), (3005, 328592), (3734, 264440), (4808, 205370), (6010, 164296), (6611, 149360), (7468, 132220), (9335, 105776), (9616, 102685), (12020, 82148), (13222, 74680), (14936, 66110), (18670, 52888), (20537, 48080), (24040, 41074), (26444, 37340), (29872, 33055)]