30409940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 75769344

約数和(自身を除く): 45359404

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 170, 173, 187, 188, 220, 235, 340, 346, 374, 470, 517, 692, 748, 799, 865, 935, 940, 1034, 1598, 1730, 1870, 1903, 2068, 2585, 2941, 3196, 3460, 3740, 3806, 3995, 5170, 5882, 7612, 7990, 8131, 8789, 9515, 10340, 11764, 14705, 15980, 16262, 17578, 19030, 29410, 32351, 32524, 35156, 38060, 40655, 43945, 58820, 64702, 81310, 87890, 89441, 129404, 138227, 161755, 162620, 175780, 178882, 276454, 323510, 357764, 447205, 552908, 647020, 691135, 894410, 1382270, 1520497, 1788820, 2764540, 3040994, 6081988, 7602485, 15204970, 30409940]

約数ペア:

[(1, 30409940), (2, 15204970), (4, 7602485), (5, 6081988), (10, 3040994), (11, 2764540), (17, 1788820), (20, 1520497), (22, 1382270), (34, 894410), (44, 691135), (47, 647020), (55, 552908), (68, 447205), (85, 357764), (94, 323510), (110, 276454), (170, 178882), (173, 175780), (187, 162620), (188, 161755), (220, 138227), (235, 129404), (340, 89441), (346, 87890), (374, 81310), (470, 64702), (517, 58820), (692, 43945), (748, 40655), (799, 38060), (865, 35156), (935, 32524), (940, 32351), (1034, 29410), (1598, 19030), (1730, 17578), (1870, 16262), (1903, 15980), (2068, 14705), (2585, 11764), (2941, 10340), (3196, 9515), (3460, 8789), (3740, 8131), (3806, 7990), (3995, 7612), (5170, 5882)]