944710660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{5197}}^1$

素因数の和:5416

約数の個数: 48

約数和(自身を含む): 2030338800

約数和(自身を除く): 1085628140

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 1220, 1490, 2980, 5197, 9089, 10394, 18178, 20788, 25985, 36356, 45445, 51970, 90890, 103940, 181780, 317017, 634034, 774353, 1268068, 1548706, 1585085, 3097412, 3170170, 3871765, 6340340, 7743530, 15487060, 47235533, 94471066, 188942132, 236177665, 472355330, 944710660]

約数ペア:

[(1, 944710660), (2, 472355330), (4, 236177665), (5, 188942132), (10, 94471066), (20, 47235533), (61, 15487060), (122, 7743530), (149, 6340340), (244, 3871765), (298, 3170170), (305, 3097412), (596, 1585085), (610, 1548706), (745, 1268068), (1220, 774353), (1490, 634034), (2980, 317017), (5197, 181780), (9089, 103940), (10394, 90890), (18178, 51970), (20788, 45445), (25985, 36356)]