64699750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 130403520

約数和(自身を除く): 65703770

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 125, 190, 250, 257, 265, 475, 514, 530, 950, 1007, 1285, 1325, 2014, 2375, 2570, 2650, 4750, 4883, 5035, 6425, 6625, 9766, 10070, 12850, 13250, 13621, 24415, 25175, 27242, 32125, 48830, 50350, 64250, 68105, 122075, 125875, 136210, 244150, 251750, 258799, 340525, 517598, 610375, 681050, 1220750, 1293995, 1702625, 2587990, 3405250, 6469975, 12939950, 32349875, 64699750]

約数ペア:

[(1, 64699750), (2, 32349875), (5, 12939950), (10, 6469975), (19, 3405250), (25, 2587990), (38, 1702625), (50, 1293995), (53, 1220750), (95, 681050), (106, 610375), (125, 517598), (190, 340525), (250, 258799), (257, 251750), (265, 244150), (475, 136210), (514, 125875), (530, 122075), (950, 68105), (1007, 64250), (1285, 50350), (1325, 48830), (2014, 32125), (2375, 27242), (2570, 25175), (2650, 24415), (4750, 13621), (4883, 13250), (5035, 12850), (6425, 10070), (6625, 9766)]