861567170

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2\times {\mathrm{149}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 1600597800

約数和(自身を除く): 739030630

約数列:

[1, 2, 5, 10, 73, 89, 146, 149, 178, 298, 365, 445, 730, 745, 890, 1490, 6497, 7921, 10877, 12994, 13261, 15842, 21754, 26522, 32485, 39605, 54385, 64970, 66305, 79210, 108770, 132610, 578233, 968053, 1156466, 1180229, 1936106, 2360458, 2891165, 4840265, 5782330, 5901145, 9680530, 11802290, 86156717, 172313434, 430783585, 861567170]

約数ペア:

[(1, 861567170), (2, 430783585), (5, 172313434), (10, 86156717), (73, 11802290), (89, 9680530), (146, 5901145), (149, 5782330), (178, 4840265), (298, 2891165), (365, 2360458), (445, 1936106), (730, 1180229), (745, 1156466), (890, 968053), (1490, 578233), (6497, 132610), (7921, 108770), (10877, 79210), (12994, 66305), (13261, 64970), (15842, 54385), (21754, 39605), (26522, 32485)]