156939205420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{397}}^1\times {\mathrm{2789}}^1$

素因数の和:3587

約数の個数: 96

約数和(自身を含む): 348849547200

約数和(自身を除く): 191910341780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 373, 380, 397, 746, 794, 1492, 1588, 1865, 1985, 2789, 3730, 3970, 5578, 7087, 7460, 7543, 7940, 11156, 13945, 14174, 15086, 27890, 28348, 30172, 35435, 37715, 52991, 55780, 70870, 75430, 105982, 141740, 148081, 150860, 211964, 264955, 296162, 529910, 592324, 740405, 1040297, 1059820, 1107233, 1480810, 2080594, 2214466, 2813539, 2961620, 4161188, 4428932, 5201485, 5536165, 5627078, 10402970, 11072330, 11254156, 14067695, 19765643, 20805940, 21037427, 22144660, 28135390, 39531286, 42074854, 56270780, 79062572, 84149708, 98828215, 105187135, 197656430, 210374270, 395312860, 412997909, 420748540, 825995818, 1651991636, 2064989545, 4129979090, 7846960271, 8259958180, 15693920542, 31387841084, 39234801355, 78469602710, 156939205420]

約数ペア:

[(1, 156939205420), (2, 78469602710), (4, 39234801355), (5, 31387841084), (10, 15693920542), (19, 8259958180), (20, 7846960271), (38, 4129979090), (76, 2064989545), (95, 1651991636), (190, 825995818), (373, 420748540), (380, 412997909), (397, 395312860), (746, 210374270), (794, 197656430), (1492, 105187135), (1588, 98828215), (1865, 84149708), (1985, 79062572), (2789, 56270780), (3730, 42074854), (3970, 39531286), (5578, 28135390), (7087, 22144660), (7460, 21037427), (7543, 20805940), (7940, 19765643), (11156, 14067695), (13945, 11254156), (14174, 11072330), (15086, 10402970), (27890, 5627078), (28348, 5536165), (30172, 5201485), (35435, 4428932), (37715, 4161188), (52991, 2961620), (55780, 2813539), (70870, 2214466), (75430, 2080594), (105982, 1480810), (141740, 1107233), (148081, 1059820), (150860, 1040297), (211964, 740405), (264955, 592324), (296162, 529910)]