29837720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3989}}^1$

素因数の和:4028

約数の個数: 64

約数和(自身を含む): 77565600

約数和(自身を除く): 47727880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 3989, 7480, 7978, 15956, 19945, 31912, 39890, 43879, 67813, 79780, 87758, 135626, 159560, 175516, 219395, 271252, 339065, 351032, 438790, 542504, 678130, 745943, 877580, 1356260, 1491886, 1755160, 2712520, 2983772, 3729715, 5967544, 7459430, 14918860, 29837720]

約数ペア:

[(1, 29837720), (2, 14918860), (4, 7459430), (5, 5967544), (8, 3729715), (10, 2983772), (11, 2712520), (17, 1755160), (20, 1491886), (22, 1356260), (34, 877580), (40, 745943), (44, 678130), (55, 542504), (68, 438790), (85, 351032), (88, 339065), (110, 271252), (136, 219395), (170, 175516), (187, 159560), (220, 135626), (340, 87758), (374, 79780), (440, 67813), (680, 43879), (748, 39890), (935, 31912), (1496, 19945), (1870, 15956), (3740, 7978), (3989, 7480)]