388631820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 1113315840

約数和(自身を除く): 724684020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 311, 353, 354, 590, 622, 706, 708, 885, 933, 1059, 1180, 1244, 1412, 1555, 1765, 1770, 1866, 2118, 3110, 3530, 3540, 3732, 4236, 4665, 5295, 6220, 7060, 9330, 10590, 18349, 18660, 20827, 21180, 36698, 41654, 55047, 62481, 73396, 83308, 91745, 104135, 109783, 110094, 124962, 183490, 208270, 219566, 220188, 249924, 275235, 312405, 329349, 366980, 416540, 439132, 548915, 550470, 624810, 658698, 1097830, 1100940, 1249620, 1317396, 1646745, 2195660, 3293490, 6477197, 6586980, 12954394, 19431591, 25908788, 32385985, 38863182, 64771970, 77726364, 97157955, 129543940, 194315910, 388631820]

約数ペア:

[(1, 388631820), (2, 194315910), (3, 129543940), (4, 97157955), (5, 77726364), (6, 64771970), (10, 38863182), (12, 32385985), (15, 25908788), (20, 19431591), (30, 12954394), (59, 6586980), (60, 6477197), (118, 3293490), (177, 2195660), (236, 1646745), (295, 1317396), (311, 1249620), (353, 1100940), (354, 1097830), (590, 658698), (622, 624810), (706, 550470), (708, 548915), (885, 439132), (933, 416540), (1059, 366980), (1180, 329349), (1244, 312405), (1412, 275235), (1555, 249924), (1765, 220188), (1770, 219566), (1866, 208270), (2118, 183490), (3110, 124962), (3530, 110094), (3540, 109783), (3732, 104135), (4236, 91745), (4665, 83308), (5295, 73396), (6220, 62481), (7060, 55047), (9330, 41654), (10590, 36698), (18349, 21180), (18660, 20827)]