220013920

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 192

約数和(自身を含む): 641088000

約数和(自身を除く): 421074080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 211, 224, 245, 266, 280, 304, 343, 380, 392, 422, 490, 532, 560, 608, 665, 686, 760, 784, 844, 931, 980, 1055, 1064, 1120, 1330, 1372, 1477, 1520, 1568, 1688, 1715, 1862, 1960, 2110, 2128, 2660, 2744, 2954, 3040, 3376, 3430, 3724, 3920, 4009, 4220, 4256, 4655, 5320, 5488, 5908, 6517, 6752, 6860, 7385, 7448, 7840, 8018, 8440, 9310, 10339, 10640, 10976, 11816, 13034, 13720, 14770, 14896, 16036, 16880, 18620, 20045, 20678, 21280, 23632, 26068, 27440, 28063, 29540, 29792, 32072, 32585, 33760, 37240, 40090, 41356, 47264, 51695, 52136, 54880, 56126, 59080, 64144, 65170, 72373, 74480, 80180, 82712, 103390, 104272, 112252, 118160, 128288, 130340, 140315, 144746, 148960, 160360, 165424, 196441, 206780, 208544, 224504, 236320, 260680, 280630, 289492, 320720, 330848, 361865, 392882, 413560, 449008, 521360, 561260, 578984, 641440, 723730, 785764, 827120, 898016, 982205, 1042720, 1122520, 1157968, 1375087, 1447460, 1571528, 1654240, 1964410, 2245040, 2315936, 2750174, 2894920, 3143056, 3928820, 4490080, 5500348, 5789840, 6286112, 6875435, 7857640, 11000696, 11579680, 13750870, 15715280, 22001392, 27501740, 31430560, 44002784, 55003480, 110006960, 220013920]

約数ペア:

[(1, 220013920), (2, 110006960), (4, 55003480), (5, 44002784), (7, 31430560), (8, 27501740), (10, 22001392), (14, 15715280), (16, 13750870), (19, 11579680), (20, 11000696), (28, 7857640), (32, 6875435), (35, 6286112), (38, 5789840), (40, 5500348), (49, 4490080), (56, 3928820), (70, 3143056), (76, 2894920), (80, 2750174), (95, 2315936), (98, 2245040), (112, 1964410), (133, 1654240), (140, 1571528), (152, 1447460), (160, 1375087), (190, 1157968), (196, 1122520), (211, 1042720), (224, 982205), (245, 898016), (266, 827120), (280, 785764), (304, 723730), (343, 641440), (380, 578984), (392, 561260), (422, 521360), (490, 449008), (532, 413560), (560, 392882), (608, 361865), (665, 330848), (686, 320720), (760, 289492), (784, 280630), (844, 260680), (931, 236320), (980, 224504), (1055, 208544), (1064, 206780), (1120, 196441), (1330, 165424), (1372, 160360), (1477, 148960), (1520, 144746), (1568, 140315), (1688, 130340), (1715, 128288), (1862, 118160), (1960, 112252), (2110, 104272), (2128, 103390), (2660, 82712), (2744, 80180), (2954, 74480), (3040, 72373), (3376, 65170), (3430, 64144), (3724, 59080), (3920, 56126), (4009, 54880), (4220, 52136), (4256, 51695), (4655, 47264), (5320, 41356), (5488, 40090), (5908, 37240), (6517, 33760), (6752, 32585), (6860, 32072), (7385, 29792), (7448, 29540), (7840, 28063), (8018, 27440), (8440, 26068), (9310, 23632), (10339, 21280), (10640, 20678), (10976, 20045), (11816, 18620), (13034, 16880), (13720, 16036), (14770, 14896)]