670891865900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2621}}^1\times {\mathrm{32401}}^1$

素因数の和:35115

約数の個数: 72

約数和(自身を含む): 1474871643840

約数和(自身を除く): 803979777940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2621, 3950, 5242, 7900, 10484, 13105, 26210, 32401, 52420, 64802, 65525, 129604, 131050, 162005, 207059, 262100, 324010, 414118, 648020, 810025, 828236, 1035295, 1620050, 2070590, 2559679, 3240100, 4141180, 5119358, 5176475, 10238716, 10352950, 12798395, 20705900, 25596790, 51193580, 63991975, 84923021, 127983950, 169846042, 255967900, 339692084, 424615105, 849230210, 1698460420, 2123075525, 4246151050, 6708918659, 8492302100, 13417837318, 26835674636, 33544593295, 67089186590, 134178373180, 167722966475, 335445932950, 670891865900]

約数ペア:

[(1, 670891865900), (2, 335445932950), (4, 167722966475), (5, 134178373180), (10, 67089186590), (20, 33544593295), (25, 26835674636), (50, 13417837318), (79, 8492302100), (100, 6708918659), (158, 4246151050), (316, 2123075525), (395, 1698460420), (790, 849230210), (1580, 424615105), (1975, 339692084), (2621, 255967900), (3950, 169846042), (5242, 127983950), (7900, 84923021), (10484, 63991975), (13105, 51193580), (26210, 25596790), (32401, 20705900), (52420, 12798395), (64802, 10352950), (65525, 10238716), (129604, 5176475), (131050, 5119358), (162005, 4141180), (207059, 3240100), (262100, 2559679), (324010, 2070590), (414118, 1620050), (648020, 1035295), (810025, 828236)]