29109920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 82736640

約数和(自身を除く): 53626720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 79, 80, 94, 98, 112, 140, 158, 160, 188, 196, 224, 235, 245, 280, 316, 329, 376, 392, 395, 470, 490, 553, 560, 632, 658, 752, 784, 790, 940, 980, 1106, 1120, 1264, 1316, 1504, 1568, 1580, 1645, 1880, 1960, 2212, 2303, 2528, 2632, 2765, 3160, 3290, 3713, 3760, 3871, 3920, 4424, 4606, 5264, 5530, 6320, 6580, 7426, 7520, 7742, 7840, 8848, 9212, 10528, 11060, 11515, 12640, 13160, 14852, 15484, 17696, 18424, 18565, 19355, 22120, 23030, 25991, 26320, 29704, 30968, 36848, 37130, 38710, 44240, 46060, 51982, 52640, 59408, 61936, 73696, 74260, 77420, 88480, 92120, 103964, 118816, 123872, 129955, 148520, 154840, 181937, 184240, 207928, 259910, 297040, 309680, 363874, 368480, 415856, 519820, 594080, 619360, 727748, 831712, 909685, 1039640, 1455496, 1819370, 2079280, 2910992, 3638740, 4158560, 5821984, 7277480, 14554960, 29109920]

約数ペア:

[(1, 29109920), (2, 14554960), (4, 7277480), (5, 5821984), (7, 4158560), (8, 3638740), (10, 2910992), (14, 2079280), (16, 1819370), (20, 1455496), (28, 1039640), (32, 909685), (35, 831712), (40, 727748), (47, 619360), (49, 594080), (56, 519820), (70, 415856), (79, 368480), (80, 363874), (94, 309680), (98, 297040), (112, 259910), (140, 207928), (158, 184240), (160, 181937), (188, 154840), (196, 148520), (224, 129955), (235, 123872), (245, 118816), (280, 103964), (316, 92120), (329, 88480), (376, 77420), (392, 74260), (395, 73696), (470, 61936), (490, 59408), (553, 52640), (560, 51982), (632, 46060), (658, 44240), (752, 38710), (784, 37130), (790, 36848), (940, 30968), (980, 29704), (1106, 26320), (1120, 25991), (1264, 23030), (1316, 22120), (1504, 19355), (1568, 18565), (1580, 18424), (1645, 17696), (1880, 15484), (1960, 14852), (2212, 13160), (2303, 12640), (2528, 11515), (2632, 11060), (2765, 10528), (3160, 9212), (3290, 8848), (3713, 7840), (3760, 7742), (3871, 7520), (3920, 7426), (4424, 6580), (4606, 6320), (5264, 5530)]