253023920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8089}}^1$

素因数の和:8142

約数の個数: 80

約数和(自身を含む): 650047680

約数和(自身を除く): 397023760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 8089, 15640, 16178, 31280, 32356, 40445, 64712, 80890, 129424, 137513, 161780, 186047, 275026, 323560, 372094, 550052, 647120, 687565, 744188, 930235, 1100104, 1375130, 1488376, 1860470, 2200208, 2750260, 2976752, 3162799, 3720940, 5500520, 6325598, 7441880, 11001040, 12651196, 14883760, 15813995, 25302392, 31627990, 50604784, 63255980, 126511960, 253023920]

約数ペア:

[(1, 253023920), (2, 126511960), (4, 63255980), (5, 50604784), (8, 31627990), (10, 25302392), (16, 15813995), (17, 14883760), (20, 12651196), (23, 11001040), (34, 7441880), (40, 6325598), (46, 5500520), (68, 3720940), (80, 3162799), (85, 2976752), (92, 2750260), (115, 2200208), (136, 1860470), (170, 1488376), (184, 1375130), (230, 1100104), (272, 930235), (340, 744188), (368, 687565), (391, 647120), (460, 550052), (680, 372094), (782, 323560), (920, 275026), (1360, 186047), (1564, 161780), (1840, 137513), (1955, 129424), (3128, 80890), (3910, 64712), (6256, 40445), (7820, 32356), (8089, 31280), (15640, 16178)]