282780140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7477}}^1$

素因数の和:7578

約数の個数: 48

約数和(自身を含む): 623126784

約数和(自身を除く): 340346644

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7477, 7564, 9455, 14954, 18910, 29908, 37385, 37820, 74770, 149540, 231787, 456097, 463574, 912194, 927148, 1158935, 1824388, 2280485, 2317870, 4560970, 4635740, 9121940, 14139007, 28278014, 56556028, 70695035, 141390070, 282780140]

約数ペア:

[(1, 282780140), (2, 141390070), (4, 70695035), (5, 56556028), (10, 28278014), (20, 14139007), (31, 9121940), (61, 4635740), (62, 4560970), (122, 2317870), (124, 2280485), (155, 1824388), (244, 1158935), (305, 927148), (310, 912194), (610, 463574), (620, 456097), (1220, 231787), (1891, 149540), (3782, 74770), (7477, 37820), (7564, 37385), (9455, 29908), (14954, 18910)]