111518780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 255467520

約数和(自身を除く): 143948740

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 47, 62, 86, 89, 94, 124, 155, 172, 178, 188, 215, 235, 310, 356, 430, 445, 470, 620, 860, 890, 940, 1333, 1457, 1780, 2021, 2666, 2759, 2914, 3827, 4042, 4183, 5332, 5518, 5828, 6665, 7285, 7654, 8084, 8366, 10105, 11036, 13330, 13795, 14570, 15308, 16732, 19135, 20210, 20915, 26660, 27590, 29140, 38270, 40420, 41830, 55180, 62651, 76540, 83660, 118637, 125302, 129673, 179869, 237274, 250604, 259346, 313255, 359738, 474548, 518692, 593185, 626510, 648365, 719476, 899345, 1186370, 1253020, 1296730, 1798690, 2372740, 2593460, 3597380, 5575939, 11151878, 22303756, 27879695, 55759390, 111518780]

約数ペア:

[(1, 111518780), (2, 55759390), (4, 27879695), (5, 22303756), (10, 11151878), (20, 5575939), (31, 3597380), (43, 2593460), (47, 2372740), (62, 1798690), (86, 1296730), (89, 1253020), (94, 1186370), (124, 899345), (155, 719476), (172, 648365), (178, 626510), (188, 593185), (215, 518692), (235, 474548), (310, 359738), (356, 313255), (430, 259346), (445, 250604), (470, 237274), (620, 179869), (860, 129673), (890, 125302), (940, 118637), (1333, 83660), (1457, 76540), (1780, 62651), (2021, 55180), (2666, 41830), (2759, 40420), (2914, 38270), (3827, 29140), (4042, 27590), (4183, 26660), (5332, 20915), (5518, 20210), (5828, 19135), (6665, 16732), (7285, 15308), (7654, 14570), (8084, 13795), (8366, 13330), (10105, 11036)]