141227840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2044

約数の個数: 112

約数和(自身を含む): 383663952

約数和(自身を除く): 242436112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 1997, 2080, 2210, 2720, 3536, 3994, 4160, 4420, 5440, 7072, 7988, 8840, 9985, 14144, 15976, 17680, 19970, 25961, 31952, 33949, 35360, 39940, 51922, 63904, 67898, 70720, 79880, 103844, 127808, 129805, 135796, 159760, 169745, 207688, 259610, 271592, 319520, 339490, 415376, 441337, 519220, 543184, 639040, 678980, 830752, 882674, 1038440, 1086368, 1357960, 1661504, 1765348, 2076880, 2172736, 2206685, 2715920, 3530696, 4153760, 4413370, 5431840, 7061392, 8307520, 8826740, 10863680, 14122784, 17653480, 28245568, 35306960, 70613920, 141227840]

約数ペア:

[(1, 141227840), (2, 70613920), (4, 35306960), (5, 28245568), (8, 17653480), (10, 14122784), (13, 10863680), (16, 8826740), (17, 8307520), (20, 7061392), (26, 5431840), (32, 4413370), (34, 4153760), (40, 3530696), (52, 2715920), (64, 2206685), (65, 2172736), (68, 2076880), (80, 1765348), (85, 1661504), (104, 1357960), (130, 1086368), (136, 1038440), (160, 882674), (170, 830752), (208, 678980), (221, 639040), (260, 543184), (272, 519220), (320, 441337), (340, 415376), (416, 339490), (442, 319520), (520, 271592), (544, 259610), (680, 207688), (832, 169745), (884, 159760), (1040, 135796), (1088, 129805), (1105, 127808), (1360, 103844), (1768, 79880), (1997, 70720), (2080, 67898), (2210, 63904), (2720, 51922), (3536, 39940), (3994, 35360), (4160, 33949), (4420, 31952), (5440, 25961), (7072, 19970), (7988, 17680), (8840, 15976), (9985, 14144)]