138663520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45613}}^1$

素因数の和:45647

約数の個数: 48

約数和(自身を含む): 344841840

約数和(自身を除く): 206178320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 45613, 91226, 182452, 228065, 364904, 456130, 729808, 866647, 912260, 1459616, 1733294, 1824520, 3466588, 3649040, 4333235, 6933176, 7298080, 8666470, 13866352, 17332940, 27732704, 34665880, 69331760, 138663520]

約数ペア:

[(1, 138663520), (2, 69331760), (4, 34665880), (5, 27732704), (8, 17332940), (10, 13866352), (16, 8666470), (19, 7298080), (20, 6933176), (32, 4333235), (38, 3649040), (40, 3466588), (76, 1824520), (80, 1733294), (95, 1459616), (152, 912260), (160, 866647), (190, 729808), (304, 456130), (380, 364904), (608, 228065), (760, 182452), (1520, 91226), (3040, 45613)]