31000181120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2549357}}^1$

素因数の和:2549395

約数の個数: 64

約数和(自身を含む): 78010354800

約数和(自身を除く): 47010173680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 2549357, 5098714, 10197428, 12746785, 20394856, 25493570, 40789712, 48437783, 50987140, 81579424, 96875566, 101974280, 163158848, 193751132, 203948560, 242188915, 326317696, 387502264, 407897120, 484377830, 775004528, 815794240, 968755660, 1550009056, 1631588480, 1937511320, 3100018112, 3875022640, 6200036224, 7750045280, 15500090560, 31000181120]

約数ペア:

[(1, 31000181120), (2, 15500090560), (4, 7750045280), (5, 6200036224), (8, 3875022640), (10, 3100018112), (16, 1937511320), (19, 1631588480), (20, 1550009056), (32, 968755660), (38, 815794240), (40, 775004528), (64, 484377830), (76, 407897120), (80, 387502264), (95, 326317696), (128, 242188915), (152, 203948560), (160, 193751132), (190, 163158848), (304, 101974280), (320, 96875566), (380, 81579424), (608, 50987140), (640, 48437783), (760, 40789712), (1216, 25493570), (1520, 20394856), (2432, 12746785), (3040, 10197428), (6080, 5098714), (12160, 2549357)]