1338829240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{154243}}^1$

素因数の和:154292

約数の個数: 64

約数和(自身を含む): 3553781760

約数和(自身を除く): 2214952520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 154243, 308486, 616972, 771215, 1079701, 1233944, 1542430, 2159402, 3084860, 4318804, 4781533, 5398505, 6169720, 8637608, 9563066, 10797010, 19126132, 21594020, 23907665, 33470731, 38252264, 43188040, 47815330, 66941462, 95630660, 133882924, 167353655, 191261320, 267765848, 334707310, 669414620, 1338829240]

約数ペア:

[(1, 1338829240), (2, 669414620), (4, 334707310), (5, 267765848), (7, 191261320), (8, 167353655), (10, 133882924), (14, 95630660), (20, 66941462), (28, 47815330), (31, 43188040), (35, 38252264), (40, 33470731), (56, 23907665), (62, 21594020), (70, 19126132), (124, 10797010), (140, 9563066), (155, 8637608), (217, 6169720), (248, 5398505), (280, 4781533), (310, 4318804), (434, 3084860), (620, 2159402), (868, 1542430), (1085, 1233944), (1240, 1079701), (1736, 771215), (2170, 616972), (4340, 308486), (8680, 154243)]