1316207890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 2514240000

約数和(自身を除く): 1198032110

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 193, 199, 230, 298, 386, 398, 745, 965, 995, 1490, 1930, 1990, 3427, 4439, 4577, 6854, 8878, 9154, 17135, 22195, 22885, 28757, 29651, 34270, 38407, 44390, 45770, 57514, 59302, 76814, 143785, 148255, 192035, 287570, 296510, 384070, 661411, 681973, 883361, 1322822, 1363946, 1766722, 3307055, 3409865, 4416805, 5722643, 6614110, 6819730, 8833610, 11445286, 28613215, 57226430, 131620789, 263241578, 658103945, 1316207890]

約数ペア:

[(1, 1316207890), (2, 658103945), (5, 263241578), (10, 131620789), (23, 57226430), (46, 28613215), (115, 11445286), (149, 8833610), (193, 6819730), (199, 6614110), (230, 5722643), (298, 4416805), (386, 3409865), (398, 3307055), (745, 1766722), (965, 1363946), (995, 1322822), (1490, 883361), (1930, 681973), (1990, 661411), (3427, 384070), (4439, 296510), (4577, 287570), (6854, 192035), (8878, 148255), (9154, 143785), (17135, 76814), (22195, 59302), (22885, 57514), (28757, 45770), (29651, 44390), (34270, 38407)]