306415280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{201589}}^1$

素因数の和:201621

約数の個数: 40

約数和(自身を含む): 749914800

約数和(自身を除く): 443499520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 201589, 403178, 806356, 1007945, 1612712, 2015890, 3225424, 3830191, 4031780, 7660382, 8063560, 15320764, 16127120, 19150955, 30641528, 38301910, 61283056, 76603820, 153207640, 306415280]

約数ペア:

[(1, 306415280), (2, 153207640), (4, 76603820), (5, 61283056), (8, 38301910), (10, 30641528), (16, 19150955), (19, 16127120), (20, 15320764), (38, 8063560), (40, 7660382), (76, 4031780), (80, 3830191), (95, 3225424), (152, 2015890), (190, 1612712), (304, 1007945), (380, 806356), (760, 403178), (1520, 201589)]