4501820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 10015488

約数和(自身を除く): 5513668

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 137, 155, 212, 265, 274, 310, 530, 548, 620, 685, 1060, 1370, 1643, 2740, 3286, 4247, 6572, 7261, 8215, 8494, 14522, 16430, 16988, 21235, 29044, 32860, 36305, 42470, 72610, 84940, 145220, 225091, 450182, 900364, 1125455, 2250910, 4501820]

約数ペア:

[(1, 4501820), (2, 2250910), (4, 1125455), (5, 900364), (10, 450182), (20, 225091), (31, 145220), (53, 84940), (62, 72610), (106, 42470), (124, 36305), (137, 32860), (155, 29044), (212, 21235), (265, 16988), (274, 16430), (310, 14522), (530, 8494), (548, 8215), (620, 7261), (685, 6572), (1060, 4247), (1370, 3286), (1643, 2740)]