1392878360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 3351490560

約数和(自身を除く): 1958612200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 151, 155, 172, 173, 215, 248, 302, 310, 344, 346, 430, 604, 620, 692, 755, 860, 865, 1208, 1240, 1333, 1384, 1510, 1720, 1730, 2666, 3020, 3460, 4681, 5332, 5363, 6040, 6493, 6665, 6920, 7439, 9362, 10664, 10726, 12986, 13330, 14878, 18724, 21452, 23405, 25972, 26123, 26660, 26815, 29756, 32465, 37195, 37448, 42904, 46810, 51944, 52246, 53320, 53630, 59512, 64930, 74390, 93620, 104492, 107260, 129860, 130615, 148780, 187240, 201283, 208984, 214520, 230609, 259720, 261230, 297560, 402566, 461218, 522460, 805132, 809813, 922436, 1006415, 1044920, 1123289, 1153045, 1610264, 1619626, 1844872, 2012830, 2246578, 2306090, 3239252, 4025660, 4049065, 4493156, 4612180, 5616445, 6478504, 8051320, 8098130, 8986312, 9224360, 11232890, 16196260, 22465780, 32392520, 34821959, 44931560, 69643918, 139287836, 174109795, 278575672, 348219590, 696439180, 1392878360]

約数ペア:

[(1, 1392878360), (2, 696439180), (4, 348219590), (5, 278575672), (8, 174109795), (10, 139287836), (20, 69643918), (31, 44931560), (40, 34821959), (43, 32392520), (62, 22465780), (86, 16196260), (124, 11232890), (151, 9224360), (155, 8986312), (172, 8098130), (173, 8051320), (215, 6478504), (248, 5616445), (302, 4612180), (310, 4493156), (344, 4049065), (346, 4025660), (430, 3239252), (604, 2306090), (620, 2246578), (692, 2012830), (755, 1844872), (860, 1619626), (865, 1610264), (1208, 1153045), (1240, 1123289), (1333, 1044920), (1384, 1006415), (1510, 922436), (1720, 809813), (1730, 805132), (2666, 522460), (3020, 461218), (3460, 402566), (4681, 297560), (5332, 261230), (5363, 259720), (6040, 230609), (6493, 214520), (6665, 208984), (6920, 201283), (7439, 187240), (9362, 148780), (10664, 130615), (10726, 129860), (12986, 107260), (13330, 104492), (14878, 93620), (18724, 74390), (21452, 64930), (23405, 59512), (25972, 53630), (26123, 53320), (26660, 52246), (26815, 51944), (29756, 46810), (32465, 42904), (37195, 37448)]