72997580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 158699520

約数和(自身を除く): 85701940

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 316, 395, 470, 790, 940, 983, 1580, 1966, 3713, 3932, 4915, 7426, 9830, 14852, 18565, 19660, 37130, 46201, 74260, 77657, 92402, 155314, 184804, 231005, 310628, 388285, 462010, 776570, 924020, 1553140, 3649879, 7299758, 14599516, 18249395, 36498790, 72997580]

約数ペア:

[(1, 72997580), (2, 36498790), (4, 18249395), (5, 14599516), (10, 7299758), (20, 3649879), (47, 1553140), (79, 924020), (94, 776570), (158, 462010), (188, 388285), (235, 310628), (316, 231005), (395, 184804), (470, 155314), (790, 92402), (940, 77657), (983, 74260), (1580, 46201), (1966, 37130), (3713, 19660), (3932, 18565), (4915, 14852), (7426, 9830)]