238713640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 640442880

約数和(自身を除く): 401729240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 37, 40, 43, 44, 55, 62, 74, 86, 88, 110, 121, 124, 148, 155, 172, 185, 215, 220, 242, 248, 296, 310, 341, 344, 370, 407, 430, 440, 473, 484, 605, 620, 682, 740, 814, 860, 946, 968, 1147, 1210, 1240, 1333, 1364, 1480, 1591, 1628, 1705, 1720, 1892, 2035, 2294, 2365, 2420, 2666, 2728, 3182, 3256, 3410, 3751, 3784, 4070, 4477, 4588, 4730, 4840, 5203, 5332, 5735, 6364, 6665, 6820, 7502, 7955, 8140, 8954, 9176, 9460, 10406, 10664, 11470, 12617, 12728, 13330, 13640, 14663, 15004, 15910, 16280, 17501, 17908, 18755, 18920, 20812, 22385, 22940, 25234, 26015, 26660, 29326, 30008, 31820, 35002, 35816, 37510, 41624, 44770, 45880, 49321, 50468, 52030, 53320, 58652, 63085, 63640, 70004, 73315, 75020, 87505, 89540, 98642, 100936, 104060, 117304, 126170, 138787, 140008, 146630, 150040, 161293, 175010, 179080, 192511, 197284, 208120, 246605, 252340, 277574, 293260, 322586, 350020, 385022, 394568, 493210, 504680, 542531, 555148, 586520, 645172, 693935, 700040, 770044, 806465, 962555, 986420, 1085062, 1110296, 1290344, 1387870, 1540088, 1612930, 1925110, 1972840, 2170124, 2712655, 2775740, 3225860, 3850220, 4340248, 5425310, 5551480, 5967841, 6451720, 7700440, 10850620, 11935682, 21701240, 23871364, 29839205, 47742728, 59678410, 119356820, 238713640]

約数ペア:

[(1, 238713640), (2, 119356820), (4, 59678410), (5, 47742728), (8, 29839205), (10, 23871364), (11, 21701240), (20, 11935682), (22, 10850620), (31, 7700440), (37, 6451720), (40, 5967841), (43, 5551480), (44, 5425310), (55, 4340248), (62, 3850220), (74, 3225860), (86, 2775740), (88, 2712655), (110, 2170124), (121, 1972840), (124, 1925110), (148, 1612930), (155, 1540088), (172, 1387870), (185, 1290344), (215, 1110296), (220, 1085062), (242, 986420), (248, 962555), (296, 806465), (310, 770044), (341, 700040), (344, 693935), (370, 645172), (407, 586520), (430, 555148), (440, 542531), (473, 504680), (484, 493210), (605, 394568), (620, 385022), (682, 350020), (740, 322586), (814, 293260), (860, 277574), (946, 252340), (968, 246605), (1147, 208120), (1210, 197284), (1240, 192511), (1333, 179080), (1364, 175010), (1480, 161293), (1591, 150040), (1628, 146630), (1705, 140008), (1720, 138787), (1892, 126170), (2035, 117304), (2294, 104060), (2365, 100936), (2420, 98642), (2666, 89540), (2728, 87505), (3182, 75020), (3256, 73315), (3410, 70004), (3751, 63640), (3784, 63085), (4070, 58652), (4477, 53320), (4588, 52030), (4730, 50468), (4840, 49321), (5203, 45880), (5332, 44770), (5735, 41624), (6364, 37510), (6665, 35816), (6820, 35002), (7502, 31820), (7955, 30008), (8140, 29326), (8954, 26660), (9176, 26015), (9460, 25234), (10406, 22940), (10664, 22385), (11470, 20812), (12617, 18920), (12728, 18755), (13330, 17908), (13640, 17501), (14663, 16280), (15004, 15910)]