438469240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1171}}^1$

素因数の和:1253

約数の個数: 128

約数和(自身を含む): 1154373120

約数和(自身を除く): 715903880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 37, 40, 44, 46, 55, 74, 88, 92, 110, 115, 148, 184, 185, 220, 230, 253, 296, 370, 407, 440, 460, 506, 740, 814, 851, 920, 1012, 1171, 1265, 1480, 1628, 1702, 2024, 2035, 2342, 2530, 3256, 3404, 4070, 4255, 4684, 5060, 5855, 6808, 8140, 8510, 9361, 9368, 10120, 11710, 12881, 16280, 17020, 18722, 23420, 25762, 26933, 34040, 37444, 43327, 46805, 46840, 51524, 53866, 64405, 74888, 86654, 93610, 103048, 107732, 128810, 134665, 173308, 187220, 215464, 216635, 257620, 269330, 296263, 346616, 374440, 433270, 476597, 515240, 538660, 592526, 866540, 953194, 996521, 1077320, 1185052, 1481315, 1733080, 1906388, 1993042, 2370104, 2382985, 2962630, 3812776, 3986084, 4765970, 4982605, 5925260, 7972168, 9531940, 9965210, 10961731, 11850520, 19063880, 19930420, 21923462, 39860840, 43846924, 54808655, 87693848, 109617310, 219234620, 438469240]

約数ペア:

[(1, 438469240), (2, 219234620), (4, 109617310), (5, 87693848), (8, 54808655), (10, 43846924), (11, 39860840), (20, 21923462), (22, 19930420), (23, 19063880), (37, 11850520), (40, 10961731), (44, 9965210), (46, 9531940), (55, 7972168), (74, 5925260), (88, 4982605), (92, 4765970), (110, 3986084), (115, 3812776), (148, 2962630), (184, 2382985), (185, 2370104), (220, 1993042), (230, 1906388), (253, 1733080), (296, 1481315), (370, 1185052), (407, 1077320), (440, 996521), (460, 953194), (506, 866540), (740, 592526), (814, 538660), (851, 515240), (920, 476597), (1012, 433270), (1171, 374440), (1265, 346616), (1480, 296263), (1628, 269330), (1702, 257620), (2024, 216635), (2035, 215464), (2342, 187220), (2530, 173308), (3256, 134665), (3404, 128810), (4070, 107732), (4255, 103048), (4684, 93610), (5060, 86654), (5855, 74888), (6808, 64405), (8140, 53866), (8510, 51524), (9361, 46840), (9368, 46805), (10120, 43327), (11710, 37444), (12881, 34040), (16280, 26933), (17020, 25762), (18722, 23420)]