127993880

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 128

約数和(自身を含む): 354240000

約数和(自身を除く): 226246120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 380, 392, 490, 491, 532, 665, 686, 760, 931, 980, 982, 1064, 1330, 1372, 1715, 1862, 1960, 1964, 2455, 2660, 2744, 3430, 3437, 3724, 3928, 4655, 4910, 5320, 6517, 6860, 6874, 7448, 9310, 9329, 9820, 13034, 13720, 13748, 17185, 18620, 18658, 19640, 24059, 26068, 27496, 32585, 34370, 37240, 37316, 46645, 48118, 52136, 65170, 65303, 68740, 74632, 93290, 96236, 120295, 130340, 130606, 137480, 168413, 186580, 192472, 240590, 260680, 261212, 326515, 336826, 373160, 457121, 481180, 522424, 653030, 673652, 842065, 914242, 962360, 1306060, 1347304, 1684130, 1828484, 2285605, 2612120, 3199847, 3368260, 3656968, 4571210, 6399694, 6736520, 9142420, 12799388, 15999235, 18284840, 25598776, 31998470, 63996940, 127993880]

約数ペア:

[(1, 127993880), (2, 63996940), (4, 31998470), (5, 25598776), (7, 18284840), (8, 15999235), (10, 12799388), (14, 9142420), (19, 6736520), (20, 6399694), (28, 4571210), (35, 3656968), (38, 3368260), (40, 3199847), (49, 2612120), (56, 2285605), (70, 1828484), (76, 1684130), (95, 1347304), (98, 1306060), (133, 962360), (140, 914242), (152, 842065), (190, 673652), (196, 653030), (245, 522424), (266, 481180), (280, 457121), (343, 373160), (380, 336826), (392, 326515), (490, 261212), (491, 260680), (532, 240590), (665, 192472), (686, 186580), (760, 168413), (931, 137480), (980, 130606), (982, 130340), (1064, 120295), (1330, 96236), (1372, 93290), (1715, 74632), (1862, 68740), (1960, 65303), (1964, 65170), (2455, 52136), (2660, 48118), (2744, 46645), (3430, 37316), (3437, 37240), (3724, 34370), (3928, 32585), (4655, 27496), (4910, 26068), (5320, 24059), (6517, 19640), (6860, 18658), (6874, 18620), (7448, 17185), (9310, 13748), (9329, 13720), (9820, 13034)]