138972460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{33247}}^1$

素因数の和:33286

約数の個数: 48

約数和(自身を含む): 335139840

約数和(自身を除く): 196167380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 33247, 66494, 132988, 166235, 332470, 365717, 631693, 664940, 731434, 1263386, 1462868, 1828585, 2526772, 3158465, 3657170, 6316930, 6948623, 7314340, 12633860, 13897246, 27794492, 34743115, 69486230, 138972460]

約数ペア:

[(1, 138972460), (2, 69486230), (4, 34743115), (5, 27794492), (10, 13897246), (11, 12633860), (19, 7314340), (20, 6948623), (22, 6316930), (38, 3657170), (44, 3158465), (55, 2526772), (76, 1828585), (95, 1462868), (110, 1263386), (190, 731434), (209, 664940), (220, 631693), (380, 365717), (418, 332470), (836, 166235), (1045, 132988), (2090, 66494), (4180, 33247)]