208288980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3697}}^1$

素因数の和:4025

約数の個数: 72

約数和(自身を含む): 633999912

約数和(自身を除く): 425710932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3697, 3756, 4695, 5634, 6260, 7394, 9390, 11091, 11268, 14085, 14788, 18485, 18780, 22182, 28170, 33273, 36970, 44364, 55455, 56340, 66546, 73940, 110910, 133092, 166365, 221820, 332730, 665460, 1157161, 2314322, 3471483, 4628644, 5785805, 6942966, 10414449, 11571610, 13885932, 17357415, 20828898, 23143220, 34714830, 41657796, 52072245, 69429660, 104144490, 208288980]

約数ペア:

[(1, 208288980), (2, 104144490), (3, 69429660), (4, 52072245), (5, 41657796), (6, 34714830), (9, 23143220), (10, 20828898), (12, 17357415), (15, 13885932), (18, 11571610), (20, 10414449), (30, 6942966), (36, 5785805), (45, 4628644), (60, 3471483), (90, 2314322), (180, 1157161), (313, 665460), (626, 332730), (939, 221820), (1252, 166365), (1565, 133092), (1878, 110910), (2817, 73940), (3130, 66546), (3697, 56340), (3756, 55455), (4695, 44364), (5634, 36970), (6260, 33273), (7394, 28170), (9390, 22182), (11091, 18780), (11268, 18485), (14085, 14788)]